For years, Chelsea has longed to be a mother. She's imagined caring for a new baby in the lovely house she shares with her husband, Leo, fondly planning every detail. But after a difficult birth, those dreams of blissful bonding evaporate. Chelsea battles sleep deprivation and feelings of isolation. Little Annabelle cries constantly. Her sister, Emma, insists she gets help for postpartum depression, but Chelsea's doctor dismisses her worries as self-indulgent. Then an unthinkable crisis hits, and Chelsea is compelled to face both the fragility and resilience of life.