Girl meets boy. Girl steals boy. Girl gives him back? Years after Maggie's affair with a married man who becomes her husband, she realizes she is falling out of love with him and devises a plan to reunite him with his ex-wife. Greta Gerwig, Ethan Hawke and Julianne Moore star in this quirky romantic comedy. "Maggie's Plan," in theaters May 20, 2016, is rated R.