In the bustling cityscape of San Francisco, Dr. Hank Pym, the brilliant scientist and original Ant-Man, alongside his partner, Janet Van Dyne, the Wasp, find themselves facing a formidable threat orchestrated by the notorious Wrecking Crew. This criminal quartet, armed with enhanced construction tools granting them superhuman strength, is determined to steal Pym's groundbreaking research on Pym Particles, the key to their size-changing abilities.