An obstetrician Jeon Dong-Kuk' wife gives birth to a cat baby. Taken a pessimistic view of this, he replaces the baby with a newborn baby in the hospital. Nineteen years later, developing a new remodeling technology, Dong-Kuk comes back to Korea and has his daughter's birthday party. At that time, a cat woman, Yun-Ok comes to Dong-Kuk and he undergoes a plastic operation on her face. Then, his daughter, So-Young's face turns into a cat's. When Dong-Kuk operates on Yun-Ok's face again, So-Young gets back her face. Yun-Ok tries to kill Dong-Kuk. Finally, Dong-Kuk and his real daughter Yun-Ok die together.