Yun Ra Yeong, Kang Sin Jae and Hwang Hyeon Jin have been friends for about 20 years. They first met in their 20's, when they were university students, and they now work together as lawyers at L&J Law Firm. The law firm specializes in defending female crime victims.

Yun Ra Yeong is a star lawyer at that law firm. She well known on TV, with her outstanding speaking ability and her beautiful appearance. She is a celebrity lawyer with hundreds of thousands of followers on social media. Yet, there are wounds and anxiety that she has kept hidden for years. At an unexpected moment, she faces the shadow of her past that has plagued her.

Kang Sin Jae is an ace lawyer at the law firm. She is the leader among the three friends. She has a lion-like charisma that overwhelms anyone and she gets what she wants through negotiation and intimidation. A crime against a woman, which she usually handles, is entangled with her own past and she faces a crisis.

Hwang Hyeon Jin is a lawyer with an elegant charisma and a fiery personality. She prefers to act rather than sitting at a desk. She resists without hesitation anything that she thinks is wrong and goes against her principles, but, as her detective husband begins to dig into her past, she begins to shake.

A secret from 20 years ago, which Yun Ra Yeong, Kang Sin Jae and Hwang Hyeon Jin could not speak to anyone about, rises again and shakes the lives of these women. The women grit their teeth and fight back, showing solidarity and tenacity that cannot be broken.