When he walks through the door and sees the sharky grin on his sister's face, Vin rightly suspects Meg is hatching a plot. Worse still, he's central to the outcome. Meg tells him everyone expects him to play her duet for trumpet and piano at the student concert. Vin is horrified. His only escape is to persuade another trumpet player to take his place. Meg has the hunky Brad Stewart in mind, and she challenges Vin to introduce her to him. To do that he must first befriend Brad's nerdy brother, Eyeballs, the last person Vin wants to be friends with until Meg's promise of a David Beckham autographed soccer jersey changes the seventh-grader's mind. He has five days to accomplish his mission-Operation BS. Vin's game plan, thwarted by exploding fish tanks, magnetic compost heaps, man-eating bubble baths, and other disasters ultimately succeeds, but not exactly as he expects ...