Mark is not convinced of Steph's alibi for the night of the Fitzgerald Motors fire. He questions her about it and points out that she was supposed to check in at the station every time she had a pass out. Steph claims that she was walking alone that night, but Mark doubts her story. He holds her on a technicality and demands proof of her whereabouts. Meanwhile, Lauren and Brad bond over recent... (thetvdb.com)