Vincenzo Cassano is an Italian lawyer and Mafia consigliere who moves back to Korea due to a conflict within his organization. He ends up crossing paths with a sharp-tongued lawyer named Cha-young, and the two join forces in using villainous methods to take down villains who cannot be punished by the law.
Vincenzo Cassano's homecoming is met by distrusting tenants and eager fraudsters. Hong Yu-chan relinquishes his parental rights to Hong Cha-young.
Warned about a scheduled demolition of Geumga Plaza, Vincenzo contrives to thwart the attack. Yu-chan receives a call from a whistleblower.
Vincenzo warns an impassioned Yu-chan about the dangers of a new drug and its even more harmful pharmaceutical company. Choi Myung-hee shows her claws.
Fighting fire with fire, Yu-chan's supporters unite their efforts to carry out his vision of justice. Vincenzo employs Myung-hee's tactics against her.
Jang Joon-woo reminds Jang Han-seo who's the boss. The tenants rally around Vincenzo and Cha-young, who team up to take down Babel Group.
Both sides use every trick in the book to cause disturbances in and out of the courtroom. Han Seung-hyuk and Myung-hee are introduced to Babel's CEO.
Stumped by surprise witnesses, Joon-woo and Myung-hee direct their rage toward Cha-young. The tenants gain new appreciation for their building.
Angered by another conglomerate and its generations of unpunished crimes, Vincenzo tries to charm a young bank president out of investing in Babel.
Joon-woo wields his power to force loyalty from his partners. Cha-young finds refuge in Vincenzo's apartment following a break-in.
Seeking revenge instead of liability for the loss of more innocent victims, Vincenzo puts his life on the line to lure Babel's CEO out of hiding.
The search for Jang Han-seok begins with torturing his lackeys for information. An Gi-seok flashes his work badge to free Vincenzo from prosecution.
Han-seo faces unintended consequences when he takes a shot at Babel's throne. Vincenzo and Cho Ju-yeong finally get Geumga Plaza to themselves.
Ju-yeong reveals his true motive. As incoming CEO, Han-seok is met with admiration, applause and a mafia-styled surprise from Vincenzo.
To expose Han-seok’s paper company, Vincenzo and Cha-young go undercover as an enamored couple. Seo Mi-ri reveals her high-tech tricks.
With ample evidence to lock up Han-seok, Jung In-kuk holds a press conference. Vincenzo channels spirits to turn an ill-famed newspaper against Babel.
Maddened by Vincenzo's ability to slip out of another one of his bloody traps, Han-seok goes after what Vincenzo cherishes the most.
A grieving Vincenzo crashes a party to bleed Babel Group dry of its powerful allies. Seung-hyuk reaches out to a high-level commander for help.
Fearing for his life, Han-seok goes to jail to bide some time. A visitor from Italy tells Vincenzo his help is urgently needed back home.
Vincenzo and Cha-young present damning evidence against Babel Tower and its influential cronies. Myung-hee proves her loyalty toward Han-seok.
Han-seok lets nothing stand in his way of revenge. Seeking justice the mafia way, Vincenzo gives his enemies a slow and painful death.