Michael Shannon directs an adaptation of Brett Neveu’s 2002 play about a mother coping with the fallout after her son murders three of his high school classmates. Janice (Judy Greer) is struggling; she moves through life as if in a haze, unable to let go of her anger and frustration. While her husband (Alexander Skarsgård) has found refuge at a new church, Janice finds it hard …