The D.C. premiere of “The Mystery of Love & Sex” written by Bathsheba Doran (of Showtime’s “Masters of Sex”) and directed by Stella Powell-Jones will complete its run at Signature Theatre on May 8. Performances run Tuesday through Sunday evenings, with matinees on Saturday and Sunday. Tickets start at $40. Call 703-820-9771 or visit www.sigtheatre.org.