Based on the animated film "King of Pigs" by Yeon Sang-ho. A thriller drama that tells the story of the people who brought up the ‘memory of violence’ through serial killings which started through a friend’s message 20 years ago.

Choi Kyung Seo is a legendary lawyer at the top law firm in South Korea. He has charisma and an attractive appearance. He hires Go Yeon Woo as a rookie lawyer for the law firm. Go Yeon Woo has excellent memory.

A story of two completely different lawyers. Go Tae Rim is a lawyer with a 100 percent success rate who knows how to play with the law, and Seo Jae In is a rookie lawyer who believes in the law and justice.

Kim Tae Hyun is a promising young surgeon, but his finances take a dive when his sister's health condition requires costly dialysis treatments. When Tae Hyun subsequently falls into a vicious cycle of debt, he assumes the alias of "Yong Pal" and begins making house calls for criminals who are willing to pay top dollar. Complicating things further, Tae Hyun gets involved with Han Yeo Jin, a comatose patient at the hospital.

From Kim Won Seok, the writer of Descendants of the Sun, a drama about a special bodyguard with a background in special investigations and the Hallyu star he is supposed to protect.