Park Young-Han (Lee Je-Hoon) is a young detective. He becomes furious at the reality of human dignity being violated and he struggles to deal with it. He teams up with his colleague detectives

A woman who can't trust people because of her ability to hear lies and a mystic composer who hid his indescribable identity, become involved in each other's lives to uncover the truth.

The successful doctor Yoo Sepoong becomes entangled in a conspiracy and is kicked out of the palace. He meets Jihan in Gyesu village and learns to treat those who suffer psychological illness. Finding the cause of their heartbroken feelings and writing a prescription for happiness with Eunwoo, Sepoong grows up as a true psychiatrist.

"Damn Good Company" depicts the reality of small and medium-sized Korean companies with comical situation settings and detailed real-life storyline.