On a lavish yacht for an assignment, a journalist sees a passenger go overboard. But when no one believes her, she risks her life to uncover the truth.

Keira Knightley

Laura 'Lo' Blacklock

Guy Pearce

Richard Bullmer

David Ajala

Ben Morgan

Gitte Witt

Carrie

Art Malik

Dr. Robert Mehta

Gugu Mbatha-Raw

Rowan

Hannah Waddingham

Heidi Heatherley

Kaya Scodelario

Grace Phillips

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