After a heart transplant, Manuel gradually felt a subtle change deep in his heart - as if another person's temperament, memories and emotions were quietly integrated into his life.This lingering strange feeling drove him on a journey of exploration to understand who the heart that was beating in his chest now belonged to.As the investigation deepened, he gradually approached the world left by donors, met the woman who lost her husband, Vie, and the warm and complex community she was in.In this journey of intertwined loss and rebirth, Manuel not only redefines his identity, but also finds the temperature connecting life and death in the emotional ruins of others.