Siblings Evan and Jessie must solve the mystery of a missing cherished family treasure while coming to terms with their beloved grandmother's unsettling behavior.

Evan and his younger sister, Jessie, react very differently to the news that they will be in the same class for fourth grade and as the end of summer approaches, they battle it out through lemonade stands, each trying to be the first to earn 100 dollars.

Unexpectedly cast as outsiders, siblings Jessie and Evan must learn to be true to themselves when they are faced with bullies and unexpected circumstances that cause them to act in ways they never have before.

"A day at the community pool is full of unwater magic--dunking and diving with friends; somersaulting, walking on your hands, and bursting up through the surface like a tortoise. But when a thunderstorm comes and a little brother ventures too close to the pool's edge, will our main character be quick enough and brave enough to save the day?"--