Even Gardenia’s husband Patrick Harborne (Justin Edwards) and daughter Cassie Dujon (Ayoola Smart) are baffled by the case - what possible motive would Emmet have for killing his best friend ...

Death in Paradise series 13 spoilers follow. Death in Paradise will return to BBC One next month with a 100th-episode mystery storyline and guest stars from EastEnders, You, Ghosts and Coronation ...