Casey Affleck (Interstellar, Gone Baby Gone) stars as Lee, a man whose spare existence is suddenly ruptured when the death of his brother Joe (Kyle Chandler, Carol, The Wolf of Wall Street) forces him to return to the hometown he abandoned years before. Rocked by contact with his estranged ex-wife (Michelle Williams) and the revelation that Joe has made him guardian of his teenage son (Lucas Hedges), Lee is forced to face up to painful memories and new-found levels of responsibility as he reconnects with his family.