tells the moving story of Greta, who claims she was born with the purpose of saving her sister Lucy, who suffers from leukemia, through her stem cells. However, events take an unexpected turn and Lucy passes away, leaving Greta with a deep existential void. Before departing, Lucy creates "", a game that challenges Greta to face her grief and discover her own path. On this journey, Greta will meet Will, an enigmatic young man with a haunting past. Can we love someone without loving ourselves?