Hannah, a big fat man weighing nearly two hundred catties, has a beautiful voice and yearns for love like an ordinary girl. Because her father was admitted to a mental hospital, in order to raise medical expenses, she became the behind-the-scenes singer of the popular singer Ami, and thus met the producer Han Shangjun. Hannah has a crush on Shangjun, and she knows that Shangjun can't like her with her dignity. After careful consideration, Hannah went for plastic surgery. After the plastic surgery, Hannah was reborn radiantly like Nirvana. In order to get closer to Shangjun, she signed up for the new singer selection contest and took the stage name Jenny. Sure enough, Hannah attracted Shangjun both in appearance and voice, and Shangjun decided to praise her. Feeling jealous, Ami secretly investigates Hannah. At an important ball, Ami brought Hannah's mentally ill father to the scene, and Hannah's real identity was exposed. Shang Jun knew that Jenny was Hannah, and Hannah felt ashamed. Shang Jun knew the truth and insisted on helping Hannah hold the concert, Ami threatened Shang Jun, but Shang Jun was unmoved. The frustrated Ami brings Hannah's father to the concert, and Hannah bravely admits and exposes her true identity