A disgruntled IRA member becomes Ireland's biggest threat to the peace process.

In 1863, Amsterdam Vallon returns to the Five Points of America to seek vengeance against the psychotic gangland kingpin, Bill the Butcher, who murdered his father years earlier. With an eager pickpocket by his side and a whole new army, Vallon fights his way to seek vengeance on the Butcher and restore peace in the area.

After having strange dreams, Jenny Cole discovers that in her last incarnation she was Mary Sutton, an Irishwoman who died in the 1930s. Suspicious, Jenny goes to Ireland to investigate her past life.