Gunpowder Milkshake tells the story of Sam (Karen Gillan), who was only 12 years old when her mother Scarlet (Lena Headey), an elite assassin, was forced to abandon her. Sam was raised by The Firm, ...

To protect an 8-year-old girl, a dangerous assassin reunites with her mother and her lethal associates to take down a ruthless crime syndicate and its army of henchmen.