To get back 13 years of hard work through betrayal!

Yoon Hyun-woo, the head of the Sunyang Group, who lived like a servant and abandoned.
Just when he thought it was all over, he wake up as Jin Do-jun, the grandson of Sunyang Group Chairman Jin!

However, Jin Do-jun, the youngest son of a chaebol family, is far from the right to inherit.
Will he be able to become the final winner in a family political drama?

Yoon Hyun-woo's exhilarating revenge drama to swallow up the Sunyang group begins!

The Mystic Lunar Dance Troupe took in Jin Sohan as an orphan, and he spent his childhood with them.

But one day, one of the four great demons, the Venom Demon, discovered that he was special and kidnapped him.

After all kinds of test, he decided to raise him as his disciple.

Ten years later, Jin Sohan tried to look for traces of the Mystic Lunar Dance Troupe, but the Sword Dance Troupe had already been destroyed at the hands of the Unorthodox Faction that’s now ruling over his hometown.

Yi Zaha. The crazy demon crazy for martial arts. While he was running away after stealing the heavenly pearl of the Demon Cult Leader, he fell off a cliff. After thinking that everything was over, he opened his eyes to see that he had returned back to when he was a waiter… And he is being beat up for something that he didn’t do. The crazy demon who returned to the beginning of his days as a waiter! Will he go crazy again, or will he drive his enemies crazy?