Thumbs’ sister is brought face-to-face with the man she blames for destroying her family, while Thumbs witnesses the sacrifices the revolutionaries will make in order to ensure that he and his MOM™ can continue on their path to revenge.

Thumbs tracks down his sister, with disastrous results. MOM™ brings her fight to the city, with the goal of sparking the outlawed technology and tearing down those in charge.

The grand finale—and grand it is! Thumbs and MOM™, reeling from personal loss and with their backs against the wall, put everything on the line.