The Other Woman

Love and Other Impossible Pursuits is a movie starring Natalie Portman, Scott Cohen, and Lisa Kudrow. The story of a woman dealing with her daughter's death while trying to keep her marriage and her relationship with her stepson.
Emilia, a law-school graduate, falls in love with her married boss, Jack. After Emilia marries Jack, her happiness turns unexpectedly to grief following the death of her infant daughter. Devastated, Emilia nonetheless carries on, attempting to forge a connection with her stepson William and to resist the interference of Jack's jealous ex-wife.