Fifteen-year-old Ben Tennyson must utilize the Omnitrix yet again in order to locate his missing Grandpa Max, accompanied by his cousin Gwen and former enemy Kevin 11.

During the coffee break Batman, Superman, Wonder Woman and Aquaman talk about the new hero of the moment, Ben 10. To the group's surprise, Ben arrives.

"It could be an excellent film set for a scary movie," Erin observes on their first visit. Adds Ben, "...Or a home renovation show!" The near-ruin belonged to their client's late father and he has ...