A rainy summer day makes Oliver grumpy. Gabbie and Freddie help Oliver discover how a positive outlook can help him be happy and healthy. From the "Go Team Creation: Mystery in the Clubhouse Series. When friends Oliver, Gabbie, and Freddie start building a clubhouse out of an old shed, they discover a strange inscription written on the wall – the word CREATION. A nearby clue sets them on a journey to discover the meaning of the word and to uncover the mystery of how to live a healthy and happy life.