It has a teen boy named Ryder and a little girl named Molly, they go to a river and molly wants to chicken fight

Molly spends her summer with her big brother Mack on his toy stall. They share adventures together in the market with the warm, funny, loving community who work there.

Nine-year-old Molly Brown lived and breathed "that river." After her mother died it was just her and her dad, Paul, and of course "cappy" her ailing grandfather, but with all cappy’s medical bills, Paul’s only choice is to sell everything, including the family home, and move away. But Molly can't leave her friends and the river, especially the river... it’s been her whole life! She has to make a plan!