The third season of the horror anthology seriespremieres tonight on Syfy at 10p. The new season is titledand it's inspired by's CreepypastaThe story focuses on a young woman () who moves to a new city and comes across a series of disappearances connected to a mysterious staircase in one of the area's worst neighborhoods. Along with her schizophrenic older sister (), they discover what is preying on the city's residents.andalso star.