Three-year-old Huo Zheng arrives at the unfamiliar Huo family, missing her loved ones while cautiously looking forward to a new life. The once quiet and cold home gradually warms with her arrival. Faced with her silent older brother, she takes the initiative to keep him company; faced with her distant father, she slowly draws closer to him with her innocence and sincerity. Though still very young, she is determined and brave when trouble arises, protecting those around her with a pure heart and helping the Huo family rediscover the beauty of familial love.