"Davy" had a younger sister named "Villa." Davy had to work to raise her sister, but she was tricked into the sex trade. One day, Villa went missing. Ten years later, Villa became a nurse. She fell in love with "Varin." However, Varin already had a girlfriend named "Velai," who had previously changed her name from Davy. Then, something terrible happened-Villa's house caught fire. Davy came to rescue her without regard for her own life and was injured. From that moment on, they vowed never to be apart again.