More than a century ago in New York, corrupt politicians used shameful and dirty means to fight for the official leadership of the city; while in the Fifth Ward, Bowery, and Paradise Square of Manhattan Island, the Irish immigrant gangs "Dead Rabbits" and "Locals" blatantly used force to fight for territory and everything they could possess... "Gangs of New York" poster "Dead Rabbits" old gang leader Priest Veron (Liam Neeson) was killed by the leader of the "Locals", "Butcher" Bill Poole (Daniel Day-Lewis), and the young son of the deceased, Amsterdam Veron (Leonardo Dicaprio), inherited the position of leader. Of course, his first "deal" after taking office was to kill Bill to avenge his father. However, the years of fighting between gangs has made it unclear who is right and who is wrong, and "Butcher" Bill is really a cold-blooded, cruel, and murderous butcher, all of which make Amsterdam's revenge plan difficult. Meeting the female thief Jenny Everdeen (Cameron Diaz) seems to have turned things around. Her help has given Amsterdam new hope, and the two have gradually fallen in love as they cooperate and exploit each other - who knows whether this is a blessing or a curse on the road to revenge...