When sisters Erin and Annie go out for the night, neither is prepared for the chaos to come. Erin finds herself awakening in a strange town, and all she knows is that her sister is gone. Soon after, she befriends two brothers whom she shares an unexplainable connection with. The brothers have also lost a sister in a tragic yet mysterious manner, and the three feel an immediate trust towards one another. It isn't long before the trio decides venturing into the city maze is their best hope of finding answers. No one has ever come out of the maze alive, but it's the only way to discover the truth behind their sisters' disappearances and the connection that bonds them.