Return to Paradise follows DI Mackenzie Clarke (Anna Samson), an Australian ex-pat whos made a name for herself in Londons Metropolitan Police for cracking uncrackable murder cases. When she is accused of tampering with evidence, Mackenzie returns to Australia, back to the last place she ever wanted to be her hometown of Dolphin Cove. Having fled the town six years ago, infamously leaving her ex- fiance Glenn (Tai Hara) at the altar, Mackenzie is not welcome here.