In the top Korean law firm Lu Lin, a new rookie lawyer, Kang Hyo Min (Jung Caiyeon), who has a clear logic and a sense of justice, was assigned to partner with the ace partner lawyer Yoon Seok-hoon (Lee Jin-woo). Yoon Seok-hoon is not only indifferent, but also unforgivable to the newcomers.The two people with very different personalities have been disliked from the beginning. After various cases, they have gradually developed trust and tacit understanding, grown together, and become mutually relied on workplace partners.