After the events of the Avengers' Civil War, Scott Lang is still struggling with his responsibilities as a superhero, when Dr. Hank Pym recruits him for another mission. This time, he must fight alongside Hope van Dyne, who's been outfitted with a suit of her own to become The Wasp. While facing off against superpowered criminal Ghost, the mismatched duo uncover secrets about the origins of their abilities.