She is the shadow of her sister.
But in her sister's heart, she is an angel who can bring happiness to others.
When she was thirteen years old, her sister, who was in college, took her boyfriend home to visit her when she was still in junior high school. One night when she returned home late, she was brutally insulted by a gangster.
The future brother-in-law didn't mind what happened to his sister, and resolutely took his sister back home despite his family's objections.
She apologized that her sister had lost her dignity for her.
After graduating from high school, she traveled across the ocean under the arrangement of the school and began her study life in a foreign country.
Five years later----
When she returned home after studying, she learned that her brother-in-law was having an affair outside, and her pregnant sister was forced to divorce her brother-in-law.
In order to be her sister's shadow, she began to carefully plan a revenge plan to let her brother-in-law step into the trap little by little...