"When Grandpa Max takes Ben and Gwen on a camping trip away from alien shenanigans, Ben has the bright idea to prank some Bigfoot enthusiasts with one of his alien forms. Little do they know, the real Bigfoot might be just around the corner."-- Provided by publisher.

When a science camp is attacked by a mysterious threat, Ben and Gwen must go undercover as campers to find out who or what is responsible. To have any chance of saving the day, they'll need to follow the grisly trail of science experiments gone wrong.