The day you discover that the husband who has been by your side for nearly ten years has an extremely happy family out there is the worst day of your life.

You and your husband knew each other since high school then fell in love until after college, they got married. You thought you would be so happy until you discovered the truth, you were shocked beyond words. He also has a son in high school.

After doing some research, you learn that the woman your husband had an affair with is a high school classmate of yours. What an irony.

In revenge, you became the teacher of your husband's son - his name is Ren Itosu. Do whatever it takes to reach him, to destroy that family.