After Ye Yunran was framed by her step-sister Ye Xueying, she gave birth to two sons with a stranger. Five years later, she returned with her daughter and tried to take revenge, only to find that her step-sister's husband was the man she had a one-night stand with five years ago, and their son was actually his biological son. What happened to all this? See how Ye Yunran solves the mystery step by step and retrieves the child.