A teacher goes on a cruise with her husband where they try to save their marriage. Unfortunately, their week together comes to a tragic end when her body falls from the upper deck.

A millionaire widower and her teenage daughter take a five-star cruise together, but, at one of the many stops along the way, a grisly discovery is made when crew members find the widower's body crammed into her own suitcase.

Two days after her 50th birthday, a professor of social work goes on a birthday cruise with her long-time boyfriend. But shortly after the ship leaves port, she tragically falls to her death. Months later the boyfriend is charged with murder.