Episode 1 - 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.
Episode 2 - Florence finds herself becoming emotionally involved in a case when a young literature student is found dead at the foot of a cliff.
Episode 3 - Humphrey and Martha's romantic weekend at the remote Hotel Cecile is disrupted by the murder of the hotel owner on the first night of their stay.
Episode 4 - When Jerome Martin, president of the Saint Marie's local cricket club, is found shot dead in the middle of the cricket ground as the sun rises over the island, suspicion falls over his teammates.
Episode 5 - The first episode of a two-part special sees a murder investigation into the death of an enigmatic boat captain propel Humphrey, Dwayne and Florence to London in pursuit of their suspects.
Episode 6 - The second episode of this two-part special sees the team; along with Met police inspector Jack Mooney investigate the apparent suicide of banker and prime-suspect of their current case - Frank Henderson.
Episode 7 - When a tourist returning to the island claims to alibi the convicted killer of the Saint Marie Times' former editor seven years ago, DI Jack Mooney must revisit the case files and ensure that justice is delivered in his first murder investigation on the island.
Episode 8 - Saint Marie's mayoral elections are thrown into disarray when Victor Pearce, local entrepreneur and odds on favorite to win, is stabbed in his polling booth just as he - and the other three candidates - cast their vote.