In a fire, Shu Yi, who was preparing to travel, lost his father and Aunt Jiang. During the recording, Shu Yi, who had the dual identities of a relative of the victim and a suspected murderer, also unexpectedly learned that he had a half-sister. The police officer is by her side 24 hours a day, her sister's indifference, her warm-hearted son-in-law... In the quiet life of losing her loved ones, a group of people suddenly appeared and surrounded her. Happiness and warmth make people happy, but separation and sadness are the eternal protagonists...