시즌 1・Trouble with the Italian mob ignites a generational war amongst the Westies when boss Eamon Sweeney faces a rebellion from within. As Sweeney aligns with Castellano and Gotti, his protege Jimmy Roarke pushes for a new future, risking war, FBI scrutiny, and an IRA plot in NYC.

시즌 1・Rebecca Ferguson stars as a defiant hero determined to unearth the truth.