October 2–17. Brandy Joe Plambeck directs local actors in Joseph Zettelmaier’s new gothic drama. Deep beneath the famed Palais Garnier Opera House, a mysterious masked man recalls the events of his ghoulish life, which is nearing its end. Adult topics. 8 p.m. (Thurs.–Sat.) & 7 p.m. (Sun.). Cahoots, 206 E. Huron St. Tickets $28 (students, $20; seniors, $25), in advance at pennyseats.org & (if available) at the door. (734) 926–5346, [email protected].