The moment he walks through the door and sees the sharky grin on his older sister’s face, Vin suspects Meg is hatching a plot. He’s right. Worse still, he’s central to the outcome. Meg tells him that their music teachers, parents—everyone—expect him to play her duet for trumpet and piano at the upcoming student concert. Vin is horrified. Meg insists that his only escape route is to persuade another trumpet player to take his place. He has five days to accomplish his mission—Operation BS—before the concert practice schedule kicks in.
His game plan, thwarted by exploding fish tanks, magnetic compost heaps, man-eating bubble baths, and other disasters ultimately succeeds, but not exactly as Vin expects.