Su Ran, a 27-year-old people-pleasing corporate slave, gets a mask on a rainy night that can transform her into a perfect social powerhouse. After putting it on, her career takes off completely, but the mask gradually develops consciousness and slowly replaces her true self. With the enlightenment of Lu Chuan and the experienced Vivian, Su Ran recognizes her inner self, tears off the mask in public at the pitch meeting, breaks free from the craving for others' approval, and learns to embrace her imperfect true self.