A SIMPLE FAVOUR – Full Trailer for Paul Feig’s Murder Mystery July 17, 2018 Arriving in Irish cinemas September 21, A SIMPLE FAVOUR is a stylish post-modern film noir starring Anna Kendrick, Blake Lively, and Henry Golding. Check out the full trailer below. A SIMPLE FAVOUR centres around Stephanie (Anna Kendrick), a mummy blogger who seeks to uncover the truth behind her best friend Emily’s (Blake Lively) sudden disappearance from their small town. Stephanie is joined by Emily’s husband Sean (Henry Golding) in this thriller filled with twists and betrayals, secrets and revelations, love and loyalty, murder and revenge. Irish release date is September 21.