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.

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?