Axel Foley returns to the land of sunshine and palm trees to investigate the near-fatal shooting of police Captain Andrew Bogomil. With the help of Sgt. Taggart and Det. Rosewood, they soon uncover that the shooting is associated with a series of "alphabet" robberies masterminded by a heartless weapons kingpin—and the chase is on.

Armed with the astonishing ability to shrink in scale but increase in strength, master thief Scott Lang must embrace his inner-hero and help his mentor, Doctor Hank Pym, protect the secret behind his spectacular Ant-Man suit from a new generation of towering threats. Against seemingly insurmountable obstacles, Pym and Lang must plan and pull off a heist that will save the world.