Bloody sheets and an apparently stolen credit card lead Briscoe and Curtis to a pair of college age lovers who present McCoy and Ross with a united front of denial that one of them killed their newborn son and disposed of the body.

It's old home week for Briscoe when an apparent murder of a teenage model in New York develops ties to Baltimore and Detectives Munch and Falsone pay a visit to the Big Apple to observe the case. Meanwhile, McCoy finds himself battling the attorney of the victim's parents for access to his clients and the Baltimore DA for jurisdiction.

This crossover continues on Homicide: Life on the Street S06E05 Baby, It's You (II).

A message overheard on an answering machine leads Briscoe and Curtis to a confessed murderer and the home of wealthy Carl Anderton, whose stubborn non-cooperation with the district attorney threatens to create a serious miscarriage of justice.

The shooting of two people in a restaurant restroom takes some abrupt turns as they try to discover who exactly the intended victim was, and the prosecutors have to deal with a defendant claiming to have been in a dissociative state while committing the crime-- the same defense used years before by the defendant's father.

Taking on an apparent mafia murder, Detectives Briscoe and Curtis are stymied by a dead witness and a seemingly incoherent mob boss.

A defendant refuses to allow his lawyer to raise the issue of insanity, this complicating matters for the brother who turned him in with hopes of securing medical treatment for him.

After a 12-year-old quadriplegic dies at home in his bed, paramedics claim that he was suffocated and the suspects include the boy's parents and sister.

The case of a teacher's shooting uncovers a vendetta involving the rape of a mentally challenged coed by three students, whose attorney claims they weren't aware of her condition.

The investigation into a girl's death reveals secrets the adoptive family was desperately trying to hide.

After a child in a day-care center dies of a virus, Briscoe and Curtis try to find the source of the infection, leading to a case involving an extramarital affair, embezzlement and a drug manufacturer.

After the detectives find a murdered postman and a woman who was left for dead in her apartment, the investigation leads to a serial killer and a surprise.

The killing of a professional escort leads to a case involving the relationships between a young man and two older women.

After a teen is found dead in the emergency room, the investigation leads to a case involving a religious ritual and a defendant who claims that the action taken was dictated by a saint's voice.

Briscoe and Curtis investigate the murder of a police officer who was shot while on an undercover stakeout.

After a philosophy professor is pushed in front of a subway and killed, the investigation leads to a suspect who, following a divorce, changed his identity and disappeared with his daughters.

A coed's killing leads to a case involving the deceased's relationship with a professor and two male students who vouch for each other's whereabouts on the night of the murder.

A shootout between a motorist and the police leads to the discovery of a gruesome Russian mob killing --- and a traumatized boy who was an eyewitness to the murder.

Briscoe and Green believe a 10-year-old is responsible for a child's death, and McCoy wants her isolated to stop any future fatalities.

As Briscoe and Green investigate the shooting of judge, suspicion quickly points to her husband as the person who ordered the hit, but McCoy's case is hindered when she refuses to implicate her husband during the trial.

The murder of a drug-laden teen presents the detectives with a host of suspects from her wealthy family.

A patient is found beaten to death in a hospital lounge -- and the resulting case involves infidelity, Alzheimer's disease and a ladies' man.

The investigation of a schizophrenic woman's death leads to a case involving a homeless man and his right to refuse medication.

After the bodies of two teens are found, the detectives trace their identities and learn that one of them had a sister who was traveling with the girls.

The body of a teacher, suspected of having an affair, is found in a car trunk and the investigation involves husband and father-in-law, both of whom are psychiatrists.

A wealthy woman, who is a patron of the arts, is found dead in her apartment and the ensuing investigation leads to a suspect whose violence was spurred by a painting similar to the crime scene.

The discovery of a strangled prostitute's body leads to a case involving illegal immigrants and the events have an impact on a family.

After a disabled boy dies of smoke inhalation during a fire, his parents and a building tenant with a history of ""accidental"" fires become suspects.

Jamie Ross returns to defend a student accused in a mass school slaying.

The murder of a magazine publishing company's black CEO leads to a suspect who has a clear streak of racism and whose attorney intends on using that as a mental defect.

The murder of a psychologist leads to a case involving a computer company that sells information and their responsibility in shielding their clients' history in order to serve their needs.

The investigation into the death of an 11-year-old girl uncovers the possible culpability of the child's mother and a rebirthing therapist.

A stock analyst's murder leads the detectives to a corporation whose stock had fallen ... and plenty of suspects in the investors.

The murder of a female high school English teacher uncovers a love triangle that includes a female student and a male teacher, both of whom become suspects. The prosecutors have to deal with the student's multiple identities and refusal to live past adolescence.

A star baseball player becomes the prime suspect in the murder of his limousine driver when it is discovered that the driver regularly supplied steroids to the sports icon. The subsequent investigation reveals blackmail as the underlying motive for the murder.

The death of a stockbroker leads the detectives to his girlfriend whose mother is a cosmetics mogul who has a long standing friendship with Branch, and will stop at nothing to protect her corporate image by using hormone replacement therapy withdrawal as the basis for her defense.

Investigating the murder of a cab driver, the detectives come to suspect a famous author and his protege, a former child prodigy.

A missing football player becomes the prime suspect in the murder of a woman whose body is discovered floating in the East River.

The prime suspect in the murder of a woman outside a sex club claims to have merely witnessed the crime via a psychic vision.

The police and prosecutors investigate the connection between an award-winning songwriter and the young woman found murdered in his home to discover who would profit by her death at his hands.

When a con man passing himself off as a grief counselor is poisoned by a respected doctor he victimized, McCoy must determine whether revenge or insanity prompted the crime.

When a caviar importer is murdered the day after his wedding to a much-younger woman, the large pool of suspects includes his new wife, his children, and his chief competitor, each of whom has a compelling motive for committing the crime.

When a woman abandoned by her firefighter husband for his partner's widow is threatened with also losing custody of her children, she murders her romantic rival, claiming that 9/11 post-traumatic stress syndrome prompted her actions.

When a family of four is found murdered in their home, Detectives Cyrus Lupo and Kevin Bernard discover that the deaths may be related to the deceased teenage daughter's troubled friend, Bonnie.

A young woman is found murdered in a hotel and the evidence leads to a medical student.

Detectives search for an anonymous blogger who has posted plans to blow up a school. Lt. Van Buren struggles to keep her personal issues private.