Ice Adonis (Korean: 노란 복수초; RR: Noran Boksucho; lit.

Until one day, Yoo-ra's car accidentally crashes into Yoon-hee, Yoon-jae's beloved sister, causing her to die.

After knowing that Yoon-jae and Yoo-ra are now a seemingly happy couple, Yeon-hwa decides to focus on keeping her health strong, and gives birth to a boy named Tae-yang (she didn't know she was pregnant before trying to escape prison).

Devastated, she decides to go on a search for Tae-yang, as she starts to revenge on Yoo Ra, Choi In-seok, and police officer Park Chang-do, and prove her innocence.

Yeon-hwa, also starts a relationship with the president of J Cosmetics, Choi Kang-wook, who is also the stepbrother of Yoon-jae.

A kind hearted girl, who happens to be Yoon-jae's girlfriend; later ex-girlfriend, Yoo-ra's stepsister/rival, and Kang-wook's later on fiancé.

Throughout her revenge quest, she starts a relationship with Kang-wook and gains the trust of chairwoman Julia.

The kind eldest son of J Cosmetics, who happens to be Yeon-hwa's boyfriend; later ex-boyfriend, Yoo-ra's childhood friend/long term crush, and Kang-wook's stepbrother.

The ambitious daughter of a judge, Yeon-hwa's stepsister, and Yoon-jae's childhood friend, whom she crushes on.

She believes that Yoon-jae likes her, but is jealous and angry to find out that her crush is the boyfriend of her one and only rival, and she starts a plan to break them up.

Thinking that she will once again lose her husband, she switches the identity of the baby at the orphanage, and send him to another couple, without anyone knowing.

A kind and responsible son of Jang Min-ja; stepbrother of Yoon-jae, and Yeon-hwa's later on fiancé.

He secretly helps Yeon-hwa, and send her supporting notes when she is in jail, using the identity as Cho Ru-ba.

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.

The beloved sister of Yoon-jae, the team leader of J Cosmetics, and the girlfriend of Kim Tae-il, and is pregnant with his child.

He believes that Yeon-hwa has caused Yoon-hee and his non born son's death, and thus uses power to get revenge.

He knows most of Yoo-ra's wrongdoings, but stays quiet, thinking that is the way to protect his daughter.

The police officer, which Yoo-ra and In-seok bribed to hide all the evidence about the car accident.