Lonely Powerful Man.

Jin-wook, who grew up in poverty and suffered violence since childhood, meets Hye-jin, who is also lonely, and they find a new life and build a happy family. However, Hye-jin's dream of feeling happy when she sees Jin-wook leaving the organization and working at a car wash is shattered. When Hye-jin is kidnapped as bait to get rid of Jin-wook, she is arrested without fail by Detective Oh, who was watching Jin-wook. However, soon after being released from prison, Jin-wook hears the news that his wife Hye-jin, who was brutally trampled by Jang Pal-bong's gang, took her own life. Jin-wook sets out to find Jang Pal-bong with the intention of revenge, and after a struggle, he punishes him and surrenders himself to Detective Oh.