Yoon Joo-no, the White Snake that moves without sound and swallows without a trace, is returning; who will have to die for Sanin Group at stake to survive?

Yoon Joo-no has to cut out Sanin Construction to save Sanin Group; despite Lee Hun-min's interruption, Joo-no successfully conducts bidding.

Yoon Joo No suggests CHACHA Games CEO Cha Ho Jin switch the game business to something else, but he does not want to sell the company.

Yoon Joo-no and his team have to hide without revealing themselves; Choi Jin-soo realizes negotiation went under due to his mistakes; he makes an effort to redeem himself.

When SANIN Group's crisis is reported, its stock price plummets; Yoon Joo No and his team head to Japan to persuade their vendor in Japan and list WIND.

Yoon Joo No and his team are cornered in the negotiation with the Japanese company SHIMIZ; the "M&A" team prepares a countermeasure; the "M&A" team faces a crisis that even SHIMIZ didn't expect; Joo No digs up the secret between WIND and SHIMIZ.