Life is no picnic for Z, a small worker ant with some very big ideas whose chances of landing the beautiful Princess Bala are literally one in a billion. But when Z convinces his soldier ant buddy to switch places with him, his simple life takes a wild turn. From his battles in the termite ward to his search for "Insectopia", Z's adventures land him in a final confrontation with the ruthless General Mandible who has planned to liquidate the colony. Once the most insignificant of workers, Z may just turn out to be the biggest hero of them all.