The Lost Daughter writer-director Maggie Gyllenhaal joined stars Dakota Johnson and Peter Sarsgaard onstage for Deadline’s Contenders FIlm: Los Angeles to discuss the movie. Based on Elena Ferrante’s novel, it’s a psychological drama starring Olivia Colman as Leda, a middle-aged divorcée on holiday whose chance encounter with another woman, Mina (Dakota Johnson), causes her vacation to take a dark turn as she is forced to confront her past.