Submergence

A spoiled teenager spends the summer at the French Riviera with her rich, widower, playboy father, but when his old flame resurfaces, she resolves to keep her frivolous lifestyle at all costs.

A year after Sheila is killed in a hit-and-run, her multimillionaire husband invites a group of friends to spend a week on his yacht playing a scavenger hunt-style mystery game—but the game turns out to be all too real and all too deadly.

Unable to process the death of his daughter, Detective Boyd embarks on a hunt for a serial killer who murders according to a brutal tribal ritual: Muti. The only person who can help Boyd is Professor Mackles, an anthropologist who hides an unspeakable secret. The line between sanity and madness thins as Boyd goes deeper into the killer’s world.

A rogue submarine captain pulls together a misfit crew to go after a sunken treasure rumored to be lost in the depths of the Black Sea. As greed and desperation take control on-board their claustrophobic vessel, the increasing uncertainty of the mission causes the men to turn on each other to fight for their own survival.