The story begins with Professor Hank Pym (Michael Douglas), the first antist with the great invention is the armor that changes the human size.Not only miniature the body to flexible fighting, the super armor also brings special abilities such as chatting with ants, moving at fast speed.Unfortunately, the technology created the armor was appropriated by Darren Cross (Yellowjacket) and put into mass production.Of course, "if you give God's power to everyone, this world will become chaotic."To prevent the hazard from Yellowjacket, Professor Hank Pym and assistant Hope Van Dyne (Evangeline Lilly played) came to Scott Lang - a famous thief who used to go to prison, to ask him to regain his effortsSpecial turmeric and prevent Yellowjacket.Scott became the next ant, started to get used to controlling the armor and using special super powers.