If they can piece together the clues that confront them, mystery and adventure await the gang in their own backyard!
The Sugar Creek Gang packs their fishing gear and sleeping bags for a canoe trip to find out. But they aren´t alone. Dragonfly spills the beans to the local town bullies who follow the gang in hopes of beating them to the catch.
The gang anticipates the upcoming evening´s events together with a swim in the creek... until the bullies show up. After a water scuffle, Big Bob Till tips off the gang to the possibility that the celebration might be in great jeopardy.
The gang races through the swamp only to stumble upon previously unexplored territory that leads them right into the middle of a mystery.
The Sugar Creek Gang suddenly becomes the opposite of teacher´s pets when the new substitute, Mr. Black, comes to town. A wrongful accusation gets Bill into trouble with his parents and creates more questions in his head than answers.