A group of people in an old dark house are terrorized by a mysterious hooded figure dressed in black who proceeds to kill them off one by one.

After receiving an advance inheritance, a bored London couple set off on a world cruise hoping to rejuvenate their marriage and escape their dull routine. But newfound wealth and freedom only expose deeper cracks in their relationship, as each becomes infatuated with someone else. Their journey through exotic ports and mounting disillusionment ultimately brings them face to face with the fragility—and resilience—of love.