Starring Ladhood’s Oscar Kennedy, the six-part series follows 20-year-old new recruit Jamie as he infiltrates the 3,000-strong crew on The Sacramentum cruise ship in a desperate race to find his missing sister. She was working aboard the same vessel on a previous tour and vanished mid charter.

Before long, Jamie is “initiated into cruise life and gets a crash course on the tribes within the staff: the theatre kids, the mafias and the low-paid workers,” according to the official synopsis.

Jamie moves into murkier waters when a spate of brutal murders complicates his investigation.

“For this overworked and underpaid crew, life below deck can be an odyssey of partying and excess… and they remain oblivious to the bloodthirsty murders taking place on board. Jamie is forced to turn detective and uncover the sinister truth,” the synopsis continues.

Wrecked: BBC Three’s new comedy-horror series follows a sinister search for a missing sibling at sea