Cruise Ship Killers, a chilling documentary all about passengers who went missing at sea, starts at 9pm on Crime+Investigation and we already can't wait.
The true crime series tells the stories of people who didn't return home after embarking on what should have been the trip of a lifetime.
Since 2011, more than 200 passengers have gone missing or are presumed dead while staying aboard passenger ships. This documentary delves into what happened to some of passengers and whether they were victims of foul play or freak accidents.
While many of the missing passengers have been murdered and some stories resolved, there are still questions around what has happened in many of these disappearances.
The show features interviews with family and friends of the missing, as well as investigators and experts, aiming to uncover the truth around what happened while they were on board the ship.
"The close course of a cruise ship has a way of intensifying how people feel about each other," producers explain. "Those dynamics can get very, very serious, very quickly."
"Anywhere you're exposed to the open air, whether it be a balcony or the deck, you're a long way from the water, you could be many stories high, so most people would probably die from the impact," an expert adds.
"You want to know why a particular event takes place, who was in play, what was in play, where were they when certain things were done or said, who else was involved or who else may have seen various interactions."
The thrilling show starts off by delving into the story of Ashley, a bride on her honeymoon who was allegedly blown off a balcony in the middle of the night.
When the weather report came in, questions were raised when it showed that no wind was present that night and a murder investigation is launched.
Further episodes focus on the disappearance of Jacob, a successful businessman who took a trip with two of his former classmates.
"When he goes missing, all signs point to foul play," C+I explain.
And we're particularly curious about the third episode, which is based around the disappearance of a professor's assistant, who goes missing near the end of a long voyage.
When clues to her disappearance are detailed in a diary discovered in her cabin, the investigators try to discover what happened to her. Intriguing!
Cruise Ship Killers starts tonight on Crime+Investigation and will air on Wednesdays at 9pm. It's available to watch on Sky channel 156, Virgin 275 and on BT and TalkTalk channels 328
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