Cassie tells her twin sister Carrie that she isn't happy about going on the family adventure to the Lagoon for the weekend. Something is bothering Cassie about spending time close to the water. Even after her family shares solutions to help her overcome her wish not to go, Cassie still has concerns. Until The Mystery Puzzle visits and helps Cassie with a puzzle piece picture that might help change her mind. Mystical and magical- The Mystery Puzzle appears to children when they need it most. It connects puzzle pieces and gives picture clues to help children make their own understanding and acceptance choices.