People stuck in a cave. Time sped up

Distraught, confused, and half-wild with fear, Sarah Carter emerges alone from the Appalachian cave system where she encountered unspeakable terrors. Unable to plausibly explain to the authorities what happened - or why she's covered in her friends' blood - Sarah is forced back to the subterranean depths to help locate her five missing companions.

After a tragic accident, six friends reunite for a caving expedition. Their adventure soon goes horribly wrong when a collapse traps them deep underground and they find themselves pursued by bloodthirsty creatures. As their friendships deteriorate, they find themselves in a desperate struggle to survive the creatures and each other.

The true story of mountain climber Aron Ralston's remarkable adventure to save himself after a fallen boulder crashes on his arm and traps him in an isolated canyon in Utah.

Amidst a devastated landscape, two survivors discover a mysterious, moss-covered sanctuary where hope and fear collide.

Master diver Frank McGuire has explored the South Pacific's Esa-ala Caves for months. But when his exit is cut off in a flash flood, Frank's team—including 17-year-old son Josh and financier Carl Hurley are forced to radically alter plans. With dwindling supplies, the crew must navigate an underwater labyrinth to make it out.

After a group of biologists discovers a huge network of unexplored caves in Romania and, believing it to be an undisturbed eco-system that has produced a new species, they hire the best American team of underwater cave explorers in the world. While exploring deeper into the underwater caves, a rockslide blocks their exit, and they soon discover a larger carnivorous creature has added them to its food chain.

Natural changes have the clans moving. Iza, medicine woman of the "Clan of the Cave Bear" finds little Ayla from the "others"' clan - tradition would have the clan kill Ayla immediately, but Iza insists on keeping her. When the little one finds a most needed new cave, she's allowed to stay - and thrive.

In the aftermath of World War II, a British colonel and his wife are assigned to live in Hamburg during the post-war reconstruction, but tensions arise with the German widower who lives with them.

When the others leave for the night, the last mortician begins to fondle the corpses. He quickly moves to the corpse of a young woman who died in a car crash.

A group of students become trapped inside a mysterious cave where they discover time passes differently underground than on the surface.