MultipleX 2013 on netflix

Recovering from a severe nervous breakdown and a great fan of thriller films, twenty-two-year-old Niccolò decides to go to the cinema with his dearest friend Viola. They are joined by their friends Ambra, Valerio, Matteo and Clelia, with whom they go to the largest multiplex in their city, a place at the center of several sinister urban legends. When, at the end of the film, the group decides to spend the night inside the cinema to make fun of the maniacal and ambiguous guard, the six will find themselves grappling with a macabre secret.