Former police detective Jack Grayling, pursuing his dream of becoming a cabaret singer on a luxury Mediterranean cruise ship, investigates a series of murders on board with the help of the ship's first officer, Kate Woods.

Shayne Wardas Jack Grayling
Catherine Tyldesleyas First Officer Kate Woods
Claire Sweeneyas Beverley Carnell
Geoffrey Bretonas Piers de Vreese
Zak Douglasas Jamil Al-Rashid
Kiza Deenas Frankie Johnson
Jamie Lairdas Harris Di Marco