When the cast is removed from his severely broken arm, a clumsy 12-year-old is shocked to find his arm has become a 100 mile-per-hour thunderbolt, and is signed as ace pitcher for the Chicago Cubs.

Set in the early 1960s, this comedy focuses on the new kid in town, fifth-grader Scotty Smalls, who learns to play baseball with the neighborhood gang and also the value of friendship.

Abigail the wood mouse, Edgar the mole, and Russell the hedgehog take off on an exciting, but dangerous journey to find help for their friend, Michelle, when she is injured by toxic fumes.