Hanna has the voice of an angel but because of her overly obese body, 169 centimeters tall and weighing 95 kilograms, she has to remain behind the scenes. Hanna, who hides behind the stage and sings, secretly falls in love with Han Sang-jun, who is Ami’s record producer. Ami, who is jealous of Hanna’s musical talent, delivered the same dress she owns to Hanna and they show up at Han Sang-jun’s birthday party in the same dress. Hanna is wounded by the incident and goes to a plastic surgeon. Intensive but flawless surgery results in Hanna being reborn as Jenny, a gorgeous woman with a perfect body. She is beautiful, pure, innocent, and has a great voice that makes her a big star. She and Han Sang-jun begin to build a relationship. However, beautiful Hanna’s secrets slowly reveal.