This Tony-winning Tom Stoppard play centers on Henry (Ewan McGregor), a playwright not so happily married to Charlotte (Cynthia Nixon), the lead actress in his play about a marriage on the verge of collapse. When his affair with their friend, Annie (Maggie Gyllenhaal), threatens to destroy his own marriage, he discovers that life has started imitating art. After Annie leaves her husband so she and Henry can begin a new life together, he can't help but wonder whether their love is fiction or the real thing. Tues.-Sat., 8; Wed., Sat. & Sun., 2. Call or visit website for variations in playing schedule.