Noh Ji Wook (Ji Chang Wook) is a prosecutor who changes jobs to become a private attorney at a powerful law firm. Eun Bong Hee (Nam Ji Hyun) is a prosecutor trainee who works with prosecutor Cha Yoo Jung (Nara), Ji Wook’s ex-girlfriend who desperately wants to win him back. Attorney Ji Eun Hyuk (Choi Tae Joon) is a longtime family friend of Ji Wook’s but harbors some resentment about their different family circumstances.