woman swims in flooded hotel basement

A cruise ship succumbs to a terrorist act and capsizes on New Year's eve. A rag-tag group of survivors, spearheaded by a priest and a homeland security agent, must journey through the upside down vessel and attempt an escape.

After "The Poseidon Adventure", in which the ship got flipped over by a tidal wave, the ship drifts bottom-up in the sea. While the passengers are still on board waiting to be rescued, two rivaling salvage parties enter the ship on search for money, gold and a small amount of plutonium.

A woman swims happily in a pool. She might not be alone. 15 Second Horror Film Challenge 2018 Top 16 Winner.

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.

A woman stands in the deep end of an empty and disused swimming pool. She wipes her face and stomach with her hands to clean away blood. She places her hands on the outstretched arm of a man who lifts her into the air and catches her where she falls. An eel swims, its gills flutter, opening and closing with the sound. The woman settle the eel in her arms and holds it against the body. When she swims she breathes out underwater.