Joe Talbot's basketball team the Sequoyah Bulldogs, is in its best shape ever! That is, until someone begins playing practical jokes on the players. Incredibly the evidence seems to point to Joe as the guilty party. Not my pal, thinks WISHBONE as he helps Joe unravel the mystery and clear his name. But the job gets tougher when the practical joker strikes again, and Wishbone has to deal with a mysterious new dog in town. Refusing to give up, Joe and Wishbone race to discover the truth before the mystery tears the team apart.