An on-again/off-again couple go on a week-long cruise to try to rebuild their relationship. All is well until the unthinkable happens and one of them goes missing overboard.

A vivacious young entertainer on a high end luxury cruise draws so many admirers, that jealousies start to flare. After a night of mingling and socializing, she doesn't show up for her scheduled rehearsal. What really happened behind her locked cabin door?

A Fourth of July cruise turns deadly as a passenger vanishes moments after leaving the dance floor. The details of what occurred that night continue to haunt family and friends.

A smarmy, womanizing, egotistic real estate agent goes on a luxurious cruise vacation and gets more than he can deal with when he's discovered dead on deck. Was it a tragic accident that befell him or did someone have an axe to grind with this deal maker?

A friendly entrepreneur and her son board a cruise ship for a much-needed vacation away from their worries when she suddenly vanishes, devastating her son. Did her financial troubles get the best of her? Or is there someone on board who murdered her?

A savvy poker player cleans up at the tables once at sea. But after she witnesses a man overboard, many begin to wonder if it was accidental or on purpose - and who is next?

A scratch and win ticket unveils an all-expense paid cruise for a young couple; but their luck runs out once aboard the ship as one of them ends up murdered.

A writer goes on a holiday cruise with her husband. After she goes missing, security footage shows her falling overboard, leaving everyone to wonder who - or what - sent her over the edge.

Two days after her 50th birthday, a professor 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 second-degree murder.

When newlyweds are prevented from disembarking on a day trip due to suspected passport forgery, their relationship begins to unravel. Bigamy leads to bloodshed. And who will be the victims when a handgun is smuggled on board?

High school sweethearts, reunited after 30 years, celebrate their birthdays by taking a cruise together. After a night of drinking during an excursion, one of them ends up beaten and strangled to death. Was an alcohol-soaked scorpion to blame?

Recently retired newlyweds embark on their third tropical cruise in less than year. The happy and fun-loving couple are enjoying the adventures and romance of this new chapter when tragedy strikes and they are found dead in their cabin.

A surprise cruise holiday 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?

Newlyweds board a cruise ship, but things take a turn for the worse when one disappears in the middle of the night. A blood-stained canopy is the only telltale sign of a young man’s fate, leaving many more questions than answers to what happened.

A farmer and his wife take a well-deserved cruise, but their celebrations are cut short when one of them goes missing at sea.

When a tech inventor vanishes aboard a chartered ship, detectives investigate whether her invention was connected to her disappearance.

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

A German college student working aboard 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?

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 showing no wind, a murder investigation begins.

When a wealthy San Francisco socialite is bludgeoned to death with a whiskey bottle, a key witness on board may be able to help investigators solve the shocking murder.

When a youth ministry attendee disappears aboard a cruise ship, detectives suspect that someone in the ministry may have something to hide.

Former university acquaintances meet aboard a cruise ship, including one who is an eccentric knife collector. When someone on board the ship ends up stabbed, all fingers point to the collector and his odd behavior.

An owner-operator gambling cruise director is found dead in the bathroom of his ship. All signs point to murder as investigators begin combing through the evidence to uncover the perpetrator and bring them to justice.

A millionaire widower and her teen aged daughter take a five-star cruise together. But at one of the many stops along the way, a grizzly discovery is made when crew members find the widower's body crammed into her own suitcase. The question remains, who did this to her and why?