A honeymoon cruise goes awry when the bride is allegedly blown off a balcony in the middle of the night. But when the weather report comes in for the evening showing no wind, a murder investigation begins.

A surprise cruise vacation for a husband and wife from Olympia, Washington ends up with one of them going overboard. Was it revenge, jealousy or a murderous impulse at sea?

A professor's assistant goes missing at sea near the end of a long voyage. And clues to her disappearance are detailed in a diary discovered in her cabin. How did she disappear? And does anyone on board know what happened to her?

A successful businessman takes a luxury cruise with two of his former classmates. When he goes missing, all signs point to foul play.

A retired teacher takes a solo Great Lakes cruise toward a family reunion. But when she doesn't check in with her family members back home, her loved ones begins to suspect something bad has befallen her.

A German college student working aboard on a cruise ship goes missing at an Alaskan port. Did she decide to skip out on her duties or did a terrible fate await her on-shore?