two sisters trapped in pool

International students at an elite Prague school are stalked and murdered by a masked killer while holding a party in an abandoned water park.

Left alone to clean up a 6-meter-deep deserted pool, Day falls asleep on an inflatable raft. When he wakes, the water level has sunk so low that he can't climb out on his own. Stuck in the pool, Day screams for help, but the only thing that hears him is a creature from a nearby crocodile farm.

Bill Baker, an American oil-rig roughneck from Oklahoma, travels to Marseille to visit his estranged daughter, Allison, who is in prison for a murder she claims she did not commit. Confronted with language barriers, cultural differences, and a complicated legal system, Bill builds a new life for himself in France as he makes it his personal mission to exonerate his daughter.

A weekend camping trip among six old friends in Northern Minnesota's "Boundary Waters" turns tragic after one dies under mysterious circumstances, triggering further turmoil as they attempt to unmask the killer within their own group.

When Nina and her high school friends receive eerie text messages declaring that they will all die within three days, they dismiss it as a hokey prank - until one by one, the pals start turning up dead in the alpine countryside. With the cops stymied, Nina and her remaining friends must scour their past for clues to identify the madman before he kills them all.

One year ago, Nina survived the attacks of a serial killer. She wants to flee from these memories but one call at night recalls all memories and she is again in the middle of a murder mystery.

Two sisters talk by a mysterious pool.

Two sisters are trapped under the fiberglass cover of an Olympic sized public pool and must brave the cold and each other to survive the harrowing night.

Two sisters get locked up in a swimming pool, soon to discover they are being haunted by a monstrous creature that can only be seen under water.

A nice hot summer day turns into a nightmare, when Tyler and his sister Lisa discover a deadly threat lurking in the deep end of their pool.