A kind and responsible son of Jang Min-ja; stepbrother of Yoon-jae, and Yeon-hwa's later on fiancé. He competes with Yoon-jae, with the help from his mother, and becomes the president of J Cosmetics. He secretly helps Yeon-hwa, and send her supporting notes when she is in jail, using the identity as Cho Ru-ba. He supports Yeon-hwa even after she is released from jail and does anything to help her. He falls for her genuinely and proposes her, which she agrees for the sake of her revenge. He finds out about Yeon-hwa's true feelings, but decides to still marry her, despite the fact she does not have true love feelings for him, but thanks him for helping her. He dies after saving Yeon-hwa's son. Yeon-hwa also finds out about Cho Ru-ba's true identity. She has a small special-aid problem, and only listens to her sister and mother. She is scared of Jo Myung-tu, her step-grandma, and Yoo-ra. She believes in her sister's innocence, and helps her sister take care of her mother. Soo-ae also starts to have a close relationship with Kim Tae-il. The beloved mother of Yeon-hwa and Soo-ae. She becomes In-seok's wife and Yoo-ra's stepmother. She has evidence to prove that Yoo-ra is the true murderer and that her daughter has been wrongly convicted, and In-seok had contributions to the plans. Because of these evidences, Yoo-ra had kidnapped Kyung-sook 2 times, leaving her hospitalized and disabled, for a while. The evil stepmother oh Yoon-jae and Yoon-hee, and the mother of Kang-wook. She was once a maid of the Ha family. One day, she sets up Joo Hye-ran, the wife of the Ha family, making it look like Hye-ran left her kids and husband for another guy. Thus, Min-ja seduces the chairman of J Cosmetics and becomes his wife and Yoon-jae/Yoon-hee's stepmother. She plans for her son Kang-wook to become the president of J Cosmetics. She also tries to win the trust of chairwoman Julia, who she has no idea that Julia is Hye-ran, coming back for revenge.