While investigating the sudden death of a high school gymnast Quincy begins to think that her teacher was giving her and her other students more than just coaching and advice. His discoveries lead him to think that she has been supplying them with steroids and other drugs.

Two old Korean war buddies of Quincy's, Charlie and Max, have an accident in one of the planes owned by their company. Although the most badly injured of the two should have survived for some reason he dies in hospital. The police think that Charlie could have killed his partner because of another, bigger, company wanting to buy up theirs and Quincy sets out to prove that he would not have done such a thing to his best friend and partner.

A young physician may lose his license over his alleged mishandling of a gunshot victim.

A father finds his son dead, having taken a drug overdose. Knowing this will affect his wife he decides to report it as an accidental drowning. Quincy's friend Volmer is the local coroner and politics lead to him not being able to autopsy the boy. He asks Quincy to help him out.

If that was not enough he also has to deal with a textile mill boss who refuses to fix irregularities at work and when an accident happens wants to hide the truth.

Quincy rushes to an Arizona Native American reservation when he hears that his foster son, Chester, is suffering from bubonic plague. When he confirms this and tries to warn the local authorities he finds that they have no interest in the potential disaster. They are much more concerned with the forthcoming opening of a new country club that will bring tourists to the area. They have a big golf competition planned with many big names arriving and they don't want to cause a panic that would ruin the resort before it has even opened.

The smuggling of Nazi-held gems from Cairo to Los Angeles in an Egyptian mummy leaves several corpses in its wake.

When Quincy sits on a jury for a homicide case he realizes that there are errors in the evidence, which could lead to the conviction of an innocent man. Not being one to sit by without doing anything he is soon causing uproar in the court with his constant questioning and interrupting.

Polly Carmody, a young 9 year old girl, is murdered and found in a refuse bin. The police quickly pick up a suspect but Lt. Alex Markasian thinks that he doesn't fit the profile of a child murderer. He is much more interested in the fact that the 'father' of Polly is in fact her stepfather, and has only been in the house for a couple of months. When the arrested suspects blood type doesn't match the blood found on the victioms clothing Donald Thompson, the stepfather, becomes an even more likely suspect. This is made even more likely when Alex and Quincy discover some disturbing things in Thompsons' background.

Quincy does battle, on a live TV show, with the author of a diet book when he discovers that a model that used it has died. His outspoken statements against the book lead to him, and the department, being sued by the author.

Sam and Quincy are attending a job fair for students when a woman falls down an escalator, just after shouting at someone who has been following her. While she is in hospital it is discovered she has a severe case of posttraumatic amnesia. A high price assassin is caught in her hospital room not long afterwards and leads to even more interest in who she is and why someone would want her dead.

A young girl is injured in a car accident and rushed to a hospital by the paramedics. Her father who is severely injured is sent to a trauma center instead because he is a more serious case. The father survives and the daughter dies. The difference between a trauma center and an ER was what saved the man. City regulations make it hard for the center to get enough patients and it is about to get closed down unless Quincy can help.

A man is knocked down and killed by a drunk driver. Quincy is outraged to discover that the killer is likely to get away with a light sentence and tries to change things. His digging uncovers much more than he, and the prosecutor, could ever have expected.

After a teenager dies from taking a seemingly harmless pill, Quincy sets out to shut down the highly dangerous, but legal, trade in ‘look-alike' drugs. He tries to find out why it is legal to make such pills and concentrates on closing down a small, local shop that sells the pills.

When a prized racehorse, belonging to Nelson Spencer a friend of Quincy's, dies suddenly after a big race, an insurance investigation uncovers foul play. The expert insurance investigator sent by the insurance company is Quincy's latest girlfriend. A situation that causes problems for Quincy, stuck between his girlfriend and his friend.

A big fire strikes at a hotel. The Coroner's Office is called in to deal with the fatalities. Most of the victims died from smoke inhalation rather than from the actual fire. Investigations prove it was arson and a suspect is quickly found. Quincy doesn't believe they have caught the right man though and helps out an insurance investigator, Jake Carter, look into it further.

A family is violently murdered in their own home. The man arrested is the son and brother of the family members. He is a schizophrenic who blames everything on ‘The Beast', an alter ego inside his head who can take him over if he stops taking his medication. Quincy thinks, after talking with the DA, that he could be making it all up to get off on an insanity plea and tries to prove his theory.

An ex-nurse, who served in Vietnam and suffered nightmares because of it, is found dead in her apartment. Her best friend, who was also a nurse in Vietnam, tries to help find the killer but has problems of her own. She suffers her own nightmares from the war and begins to fall deeper into depression and alcohol. The same thing happens to many vets when they come back from the war and Quincy wants to help her, if he can.

A man who was a prisoner in the Nazi concentration camps is run down and killed after he recognizes the man who was his tormentor in the camp. He manages to get a message sent to his friend, Heime, before his death and he tries to convince Quincy that it was murder, not an accident. At the same time Heime, who runs a Holocaust museum, has to deal with a rich, powerful man who spends his time proclaiming that the Holocaust never happened.

After running into an ex-girlfriend he had a fall-out with years ago, Quincey finds himself on the case when her husband dies and must unweave a diabolical plot to reveal the killer's identity.

When a young girl is killed in a drive by shooting a young 14 year-old boy is quickly arrested. The boy, Ethan, was part of a special program trying to get kids out of gangs and trouble. Ethan denies having had anything to do with the shooting, but if he doesn't tell who did do it or if Quincy and the probation people cannot find them then not only will he end up in prison but the special program will be closed down.

When a young mother suffers from a nerve disease, Quincy fights the drug companies and the government to get her the medication she needs.

A medical examiner starts making basic mistakes, mistakes that are putting her job on the line and are caused by her alcohol binges. She is heading deeper and deeper into alcoholism and it may be that only Quincy can help her before she falls too far.

Quincy has to testify in the court of a small town. The witnesses in the case are pressurized into lying and Harry Muller, a bullying murderer, goes free. Within half an hour of the court case having been dismissed Harry Muller is found dead. The six men in the shop where he died all say they killed him, firing one shot each from his gun. The police chief is happy to call the death self defense but Quincy knows that it was murder and insists he will find out which one of them really killed him.

During an attempted armed robbery a hostage is shot by a police officer by accident. The police immediately suspend him and threaten to kick him off the force. He wants Quincy to use his forensic skills to defend him and prove that the shooting was righteous.

At the end of a school day a young girl gets into a cab for her daily ride home. She doesn't arrive there and a search is soon started. The real cab driver is soon found and he gives a description of the man who attacked him and the cab is soon found abandoned and examined for forensic evidence.

Then all of a sudden a man who fits the description walks into a police station. He is alone and refuses to confirm or deny anything. All he will let the authorities know is that Quincy and Professor Hillman (the kidnapped girl's grandfather) are covering up a murder.

A young boy, Tim, goes to do some welding at his workplace and ends up dying in an explosion. One of Asten's top field investigators, Arnold Chatham, thinks that it should not have happened. He discovers that Tim couldn't read and continues his investigation while Quincy tries to find out how someone who couldn't read managed to get through school.

A woman with psychic powers helps the police track down a serial killer.

A midwife, Olivia, is approached in the street and asked to help deliver a baby. She knows that she should not get involved but can see that the mother's friend is desperate for help. She goes to their aid but the baby dies in childbirth. The hospital they rushed the baby to when it became apparent that she couldn't help decides that her negligence caused the baby's death. The next thing Olivia knows she is being arrested for murder! Dr. Reed, a friend of Olivia's, visits Quincy and asks him to do his own autopsy on the baby. She hopes that he will find something that will help clear her friend.

Kenny Kelso, a young father, is seriously injured in a work accident and loses his arm. His arm is found and the paramedics take both him and his limb to a new place, Experiment Hope, where it may be possible to reattach them. The Doctor in charge, Gabriel McCracken, is the man behind the revolutionary new techniques and does everything he can to make sure that Kenny will be able to use his arm again.