After several bombs go off around town, eleven-year-old Bernie Magruder becomes suspicious of various members of his family, causing confusion in Officer Feeney's investigation and around the hotel that his parents run.
Many residents of Middleburg, Indiana, ate already going crazy from the ever-ringing church bells and now, after a bat is spotted in the hotel run by Bernie's family, they worry that the dangerous Indiana Aztec bat has finally arrived.
While helping on his grandparents' farm, Zach, his best friend Matthew, and neighbor Josie outsmart a tormenting turkey and, in the process, solve a mystery of missing jewelry.