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。

Dorothy、Rose、Blanche和Dorothy的妈妈Sophia这四个老太太是亲密无间的好朋友，为了方便互相照顾，她们搬到了同一屋檐下。这四位聪明、热情、幽默、调皮、前卫的老太太们在一起有说不完的话，并且常常制造出各种笑料。这是一部真正的老友记，见证了四位老闺蜜们的幸福的晚年同居生活。

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.