To support her childhood sweetheart and boyfriend in pursuing his musical dreams, Mini works herself to exhaustion and gains weight until she reaches 200 jin (100 kg). After her boyfriend becomes an overnight sensation, she can only pretend to be a fan and secretly follow his schedule. Having already given up on everything, Mini hears that her boyfriend has been waiting for her and wants to see her at Christmas. Overwhelmed with guilt, she attempts to take her own life, but her landlord, Fei Lao, saves her. Determined not to let his property become a haunted house, Fei Lao rallies everyone around him to help Mini lose weight.