On the night of Halloween, a group of young people entertains themselves playing hide-and-seek with ghosts. They found the rules of this game on the Internet, and there was a cruel warning in them: a ghost summoned from the other world can grant any wish of the one who calls it—but it may also kill if the rules are broken. During a séance, something suddenly goes wrong. A barefoot boy appears in the house, and he joins the game too—but according to his own rules…