13-year-old Sadie, disappointed that her soldier father is redeploying, becomes determined to protect his place at home. When she notices her mother's growing affection for another man, Sadie targets her enemy with fierce resolve, believing the enemy deserves no mercy. Written and directed by Megan Griffiths, the film stars Sophia Mitri Schloss, Melanie Lynskey, and John Gallagher, Jr.