The clever and cute five-year-old little girl Jiang Gungun takes a token to claim her relative, accidentally breaking into the life of the dignified Prince Regent Xiao Jingheng. Lively as she is, she is deeply loved by the Elder Dowager, and wholeheartedly wants to add a gentle mother to her family, so with wild imagination she arranges her father's marriage. By a twist of fate, the brave and free-spirited Yun Shiyi breaks into everyone's sight. The few experience a series of interesting events and storms, gradually learning to respect each other's intentions, without forcing fate together. Amidst their getting along, they harvest warm family affection and beautiful romance, accompanying and guarding each other as a family, opening up a lively and healing daily life.