Becca and Howie Corbett are a married couple grappling with the sudden loss of their young son, Danny, who was killed in a car accident. Their once idyllic suburban existence is now overshadowed by grief, and both struggle to find ways to cope. Becca channels her emotions into cleaning out Danny's room and cutting ties with people who remind her of the tragedy, while Howie seeks solace in group therapy sessions and old home videos of Danny. Their different methods of dealing with grief cause friction between them, as they are unable to find common ground or comfort in each other.

The couple's relationship is further strained by their interactions with family members and friends, who have their own ways of dealing with the situation. Becca's mother, Nat, and her sister, Izzy, attempt to provide support but often say and do the wrong things, exacerbating Becca's sense of isolation. Over time, Becca forms an unexpected connection with Jason, a teenager who was involved in the accident that took Danny's life. This unconventional friendship becomes a pivotal point in her journey through grief. Meanwhile, Howie feels increasingly alienated and begins contemplating changes that could either heal or irreparably damage their marriage. The narrative weaves through these intricate emotional landscapes to explore themes of loss, forgiveness, and the struggle to rebuild life after an unimaginable tragedy.