Twenty years after surviving a bloody attempt on her life, former cocaine queenpin Jackie Price has reinvented herself as an art broker in Bilbao. But when her London neighbour is executed and assassins storm her apartment, her past life reemerges.

Karenina blows up her warehouse while the Cuban executes an old business contact, Billy. Jackie admits her past as a drug baron, while Charlie's misstep reveals Sean Harper— a coked-up American trust fund brat —has hired the Demons to kill her.

Haunted by Charlie's ghost, Jackie compiles a kill list and tracks Zigor Zabaleta, the legendary ex-Demon. After an uneasy alliance, they use Sam— disguised as Jackie—as bait to capture Li Dong.

Flashbacks reveal Jackie abandoning her babytwenty years ago—haunting her as she now toyswith the Demons' surveillance. Meanwhile,Sam bungles disastrously, torching Jackie's safehouse.

Jackie returns to Swansea, confronting her estranged father Ewan—only to discover Gwen, her abandoned daughter, now leading a gang of armed youths. Gwen demands Ewan's debt to local thug Dai.

In Spain, Jackie kidnaps the Doc's beloved dog to force a meeting, while Gwen, now a hostage, spars with Karenina and Tuukka. Sam endures chemical interrogation, revealing his insecurities and weaknesses.

Jackie and Gwen, shackled in Demon captivity, spar as Friedrich consolidates power. Sean Harper's father arrives, disgusted at his son's recklessness in hiring assassins, cutting him off financially.

Poltergeist intervenes, saving Jackie and Gwen and arming them with a vast "container arsenal." Jackie and the Doc forge a fragile alliance, whileFriedrich spirals into suicidal madness, donning avest of C4.