Eight strangers awaken with no memory, in a puzzling cube-shaped room where the laws of physics do not always apply.

A group of strangers find themselves trapped in a maze-like prison. It soon becomes clear that each of them possesses the peculiar skills necessary to escape, if they don't wind up dead first.

Four teenagers at a British private school secretly uncover and explore the depths of a sealed underground hole created decades ago as a possible bomb shelter.

It's Friday evening. The lift repairman leaves the building and wants to finish his work on Monday. But he doesn't know there are four men in the building. They use the lift but stay in it about 100 meters from the floor. They have little oxygen and must survive…

After losing an acting role and his girlfriend, Jake Scully finally catches a break: he gets offered a gig house-sitting in the Hollywood Hills. While peering through the beautiful home's telescope one night, he spies a gorgeous woman dancing in her window. But when he witnesses the girl's murder, it leads Scully through the netherworld of the adult entertainment industry on a search for answers—with porn actress Holly Body as his guide.

As an American civilian truck driver working in Iraq, Paul Conroy's convoy is attacked by a group of Iraqi insurgents. Some time later, Paul awakes in a coffin with only a lighter, a cell phone, and his ever-growing anxiety. Faced with a dwindling oxygen supply and a dying battery, he must fight panic, despair, and delirium as he races against time to escape the claustrophobic death trap.

During a bank robbery, the manager and a cashier are locked in the strongroom, while the crooks escape. Later, when the gang realise that their plan to release the pair has gone wrong, they return to the bank to try and release them before the police turn up.

A hot-headed influencer finds himself trapped six feet underground after an internet challenge goes dramatically wrong.

Roberto, a drummer in a rock band, keeps receiving weird phone calls and being followed by a mysterious man. One night he manages to catch up with his persecutor and tries to get him to talk but in the ensuing struggle he accidentally stabs him. He runs away, but he understands his troubles have just begun when the following day he receives an envelope with photos of him killing the man. Someone is killing all his friends and trying to frame him for the murders.

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.

28-year-old medicine student Malina wakes up disoriented in a locked trunk and realizes, to her horror, that she is missing more than just her memory of what happened. With her phone as the only link to the outside world, the intelligent young woman wages a desperate fight for survival while the vehicle races relentlessly toward a terrible secret.

A heroin addict father and his son accidentally lock themselves inside a self-storage unit. Surviving will depend on a battle with demons both real and manufactured by drug withdrawal.