The death of a scientist on the side of a live volcano proves a difficult case to crack for Humphrey and his team when everything appears to point to a death from natural causes.

The Saint Marie Literary Festival is rocked by the death of young literature student and Florence’s childhood friend, Esther Monroe, when she is discovered at the bottom of a cliff on the opening day.

Humphrey and Martha’s romantic weekend retreat to a remote island is cut short when Charlie Taylor is found dead in his room at Hotel Cecile.

The president of the Saint Marie cricket club is found shot dead in the middle of the team's ground. As the sun rises over the island, suspicion falls on his teammates.

A murder investigation propels the team to London in pursuit of their suspects.

The team race against the clock in London to solve two murders, after their prime suspect is found dead. Meanwhile, Dwayne has an emotional encounter and Humphrey finds that some advice from an unexpected source helps him come to a big decision.

When a tourist claims to alibi a woman convicted for murder eight years ago, the team are forced to reopen the case.

Saint Marie's mayoral elections are thrown into disarray when a candidate is stabbed.

When a passenger is stabbed on the express bus to Honore, Jack and his team are baffled. No-one left their seat, so how did they commit murder?

Jack and the team uncover a nest of vipers when a zoo owner is killed with a tranquiliser dart and everyone has an alibi.

Jack and the team are mystified when the TV presenter of a holiday programme is found drowned. The spotlight falls on the crew.

Jack and the team must navigate the tempestuous waters of a family divided when a wealthy coffee magnate is shot, but can they find the truth beneath the lies?

A fishing community is excited about the arrival of their festival queen for an annual celebration, but when her boat arrives with only her dead body on board, DI Mooney is left, yet again, with a baffling mystery to solve. What could a missing loaf of bread have to do with the crime? Meanwhile, Florence and Patrice look forward to their wedding, which is only a week away, but a huge strain is put on their relationship when the groom is drawn into the murder case as a former employer and long-time friend of the victim.

The team are left stunned by another murder connected to the killing of festival queen Tiana. But there is a new lead—a phone call relating to their initial suspect—so DI Jack and his officers travel over to nearby Rosalie Island, where the owner and employees of a lucrative investment company all fall under suspicion as they are questioned about the mysterious call. Meanwhile, with emotions running high, Ruby encourages her uncle, Commissioner Patterson, to show his emotional side for once.

The people of Saint Marie go into mourning when Dezzie Dixon, the island's favourite radio presenter, is murdered live on air and Jack must unravel a challenging mystery to find the culprit. However, his task is made all the more difficult when Detective Sergeant Madeleine Dumas from internal affairs arrives to assess working practices following the recent shooting, and proceeds to question the inspector's every move.

Old mates Jay, Gerald, Adam and David arrive on Saint Marie ready for the holiday of a lifetime at the Crystal Bay Horse Ranch. The occasion soon turns sour when the island is shaken by a torrential storm, and ranch owner Hannah advises the men to wait it out in their tents. By morning, Jack thinks he has seen the worst of it, until he opens up the locked police station and finds the body of a man lying in the middle of the floor. It's Adam, with scratches on his arms and laceration marks around his neck.

New Year's Eve celebrations are cut short when a masked man stabs a woman in her own home. Jack and the team must uncover the identity of the mystery murderer before they strike again.

DI Jack Mooney and the team are put to the test when a celebrated artist is poisoned in her studio in confounding circumstances.

Jack’s romance with Anna blossoms while he and the rest of the team investigate the mysterious death of a cyclist during a race.

Jack faces a life-changing decision whilst investigating the murder of a man found dead in a boat off the Saint Marie coast.

The celebratory launch of a new luxury resort is cut short when a woman is found electrocuted in her hotel bathtub – with the door locked from the inside.

A desert island survival course goes wrong when the leader – a trained survival expert and ex-SAS soldier – is found dead in the forest of a remote island near Saint Marie.

The team are left stumped when the owner of a hair salon is killed in front of her family without anyone seeing what happened.

A blind actress is the only witness to her husband’s murder. But with no evidence that there was anyone else there at the time, can her version of events be trusted? Meanwhile, Neville gets the all-clear to fly home, but is he ready to leave paradise?

When a TV news presenter is found strangled in her pool, Neville is sure that her popular co-host is guilty. But given that he was live on air at the time of the murder, how could he have done it? Meanwhile, the team welcomes back an old colleague.

The team are baffled when an archaeologist is poisoned during a dig but there is no evidence to prove how it was done. Meanwhile, Neville tests his skills in an island crab-cooking competition.

Neville is left perplexed when a lottery winner is found dead but her body then disappears. JP has an unruly new officer to train whilst preparing for the birth of his twins.

Neville’s attempts to embrace island life backfire when, during a game of beach volleyball, a sandfly bite lands him in hospital. His time on the ward takes a shocking turn when a nurse takes her own life during a night shift. Meanwhile, Marlon gives JP some unusual advice to help his twins sleep.

A celebrated concert pianist murdered one night in his studio. Catherine’s friendship with the victim’s family puts her in unexpected danger. The first of a two-part story.

The team have their work cut out in this dramatic conclusion to the two-parter. Neville must solve a mystery from the past that unlocks the truth of who murdered the concert pianist and why. Help is at hand, though, with the return of a former sergeant.

A stag do goes awry when the host of their fishing trip is found harpooned on a beach the next morning. But as their boat never moved, how could any of them have done it?

A man confesses to murdering his boss despite being unable to remember what happened. Convinced that things aren’t as simple as they seem, Neville determines to uncover the truth and unveil the real killer.