After an accident, the heroine ends up in an affair with the hero. When her boyfriend catches them, a fight in the car leads to a crash, killing the hero’s sister, who was on her way to celebrate their father’s birthday. The boyfriend begs the heroine to take the blame to protect his future, promising to marry her once she’s out of prison. Soft-hearted, she agrees. However, when the hero learns the truth, he embarks on a ruthless quest for revenge against her.
