A group of scientists finds an unusual vessel while exploring an abandoned church. With the help of X-rays they manage to determine that the vessel is about 7 million years old, and that it can only be opened from the inside. It contains some incomprehensible substance - a liquid diamond created by some mysterious force.

An ancient manuscript says that in this diamond rests Satan himself or his spirit. As a result of experiments, the devil's power, released from the vessel and scattered in space, begins to possess the researchers, turning them into Satan's slaves.

A young girl, Sam, comes to apply for a job at a funeral home that has just held a memorial ceremony for a dead boy. Eccentric mortician Montgomery Darke assures her that every dead person has an interesting story to tell, and he has been collecting them for years. Sam asks him to tell her the scariest ones, Darke picks three - from the 1950s, 1960s and 1970s. But the girl doesn't seem to be easily frightened.

A girl named Sally is having a party tonight - friends, music, booze. But in the midst of the fun, someone turns on the TV, on which there is a program about demons. Then the unbelievable happens - the demon from the movie gets into Sally's house through the TV screen.

Cheryl, a student, receives an invitation to an evening screening of a horror movie at the Metropol movie theater. Before the screening, another female viewer, trying on a mask in the foyer, injures herself on something sharp inside, and soon turns into a demon.

After returning home from a long business trip, Mark discovers that during his absence he has become a complete stranger to his wife. He decides to find out the whole truth. Gradually it turns out that the matter is something more than a simple love affair. Every day the couple sink deeper and deeper into the abyss of madness, which turns into a bloody nightmare.

17-year-old Ben, worried about his parents' split, comes to his father's house for the summer to spend time outdoors and work part-time at the marina. A young couple with two children live in the neighboring cabin, and one day after a walk in the woods, they bring an ancient evil with them. Ben immediately notices that something strange has started happening in the neighborhood, but his father won't even listen to him, and his new acquaintance Mallory believes that everything can be rationally explained.

Popular American video blogger Cole has made a name for himself on taking part in the most spectacular and dangerous challenges he finds around the world. On the 10th anniversary of his channel, he certainly wants to arrange something special, and friends offer him to pass an unusual quest in Moscow. At first, Cole is skeptical. A quest? Who can be surprised by that nowadays? After learning that these tests have been designed especially for him, the guy gets excited, but the quest turns out to be much scarier than he could have imagined.

Seasonal laborers Val McKee and Earl Bassett decide to leave the Nevada town of Perfection, but mysterious tremors prevent their departure. With the help of a seismology student, they discover that the town is infested with giant carnivorous worms that live underground. Now a bunch of brave men have to do battle with the giant creatures, which are not averse to eating people.

Thomas, a very bright and resourceful boy, is left alone with his grandfather on Christmas Eve when a psychopath disguised as Santa Claus breaks into their house. Thomas will do anything to protect himself and his grandfather.

In the future, with the help of some brain implants, a killer can get into the body of another person and, by suppressing his will, commit murders. But it is possible to get out of the host's body only if he dies. Behind this is a sinister corporation, and one day the performer of such terrible tasks begins to lose control.