Lin Yun, 36, his wife passed away early, works as a mid-level manager in a private enterprise, is a single father, recently feels he is experiencing a midlife crisis. His career has encountered setbacks, he is in a cold war with his 14-year-old daughter, and he suffers from frozen shoulder, enduring daily agony. In these past few days, he discovered a secret—his daughter is a magical girl.

In her adolescence, she fights extraordinary monsters, protecting the city from attacks, the hero known to the general public. But he knows clearly, becoming a magical girl carries life-threatening danger. Should he stop her?

Or respect his daughter’s choice and protect her in other ways?