The entanglement between a little girl from an ordinary family and a kind, simple and beautiful girl about the constant breakup. Xiaoxiao, who always chooses to escape when faced with difficulties in the outside world, gradually realizes the fantasy about waiting in her heart after thinking deeply about the reasons for breaking up. Overcoming her inner inferiority complex and moving toward self-confidence and self-consistency, Xiaoxiao finally met Bang Bang, the person who really brought her happiness in her life. With Bang Bang's support and company, she realized her career ideal.