At the age of eight, Park Joo Hyeong left for Italy after being adopted. Now an adult, he is known as Vincenzo Cassano and employed by a Mafia family as a consigliere. Due to warring Mafia factions, he flies to South Korea where he gets involved with lawyer Hong Cha Young. She is the type of attorney who will do anything to win a case. Now back in his motherland, he gives an unrivalled conglomerate a taste of his own medicine—with a side of his own version of justice.

"Vincenzo" là câu chuyện kể về một "luật sư mafia" người Ý gốc Hàn trốn về Hàn Quốc sau khi bị tổ chức phản bội. Khi trở lại quê hương, anh tham gia quét sạch kẻ xấu theo đúng cách của "một người xấu" cùng luật sư Hong Cha-yong.

Κατά τη διάρκεια της επίσκεψής του στη γενέτειρά του, ένας Ιταλοκορεάτης δικηγόρος της μαφίας πληρώνει έναν άφταστο κολοσσό με το ίδιο νόμισμα και μια δόση δικαιοσύνης.

他是一名韩裔意大利黑手党律师。在回到韩国期间，他以正义之名，让一个无可匹敌的企业集团自食其果。

這名韓裔義大利黑幫律師來到祖國，站在正義的一方，對毫無敵手的龐大集團以牙還牙。

一名義大利黑手黨的顧問為了尋找埋藏在首爾建築物下的金條而回到故國。他在展開行動時被卷入一場對抗大企業的法律斗爭中，並且不情願地與一名冷酷的女律師展開正義之爭。