Jett centers on Master thief Daisy "Jett" Kowalski, who did her stint in prison & never wants to go back. However, pressured by Charlie Baudelaire, she agrees to do one last job - but insists on working with her former partner, Rufus "Quinn" Quinton. When the operation goes south, and Quinn is killed, Kowalski is left no option but to work for the powerful and nefarious Miljan "The Russian" Bestic.