British detective inspector Kris Marshall is assigned to investigate a murder on the paradise island of Saint-Marie in the Caribbean.

　　DI Humphrey Goodman and the team are left stumped in the first episode of the new series when millionaire environmentalist and scientist Dan Hagen is shot on his boat while out at sea.

　　DI Humphrey Goodman and his team are back solving increasingly puzzling murders on the beautiful island of Saint Marie - from a body on a volcano to a two-part story which takes the team to London. But it’s not just the crime which is troubling Humphrey - as his relationship with Martha blossoms, will the course of true love run smoothly? Meanwhile the team are concerned for Sergeant Florence Cassell when an old friend is found dead. Dwayne is forced to confront his past, JP turns to Dwayne for marriage guidance and Selwyn’s intervention in a case puts Catherine at the centre of the mayoral elections. The sixth series of the hugely popular show delivers its usual recipe of fun, emotion and intrigue - with a few surprises too - all served up in the glorious Caribbean sunshine.

　　BBC一口气续订《天堂岛疑云》第13、14季，以及两集圣诞节特别篇。

　　We're transported back to the tropical island of Saint Marie, and this time with a new Detective Inspector in place - but will DI Mervin Wilson remain in the job for long? Following the recently cracked case of ‘who shot the Santas?’, along with the revelation that his estranged mother has passed away, Mervin is ready to get back home and leave the island for good. But when a case close to the hearts of those at the station presents itself, is he tempted to extend his stay?
　　As Mervin continues to ruffle feathers, the police team pull together to solve some of the island’s most confounding cases yet.