Ten-year-old twins Nia and Jonah enter the neighborhood's Saturday street market scavenger race, where teams must collect a list of unusual items from market stalls before noon. But halfway through, their "just-for-fun" hunt turns into a race against an older rival team that plays way too dirty.
From convincing a grumpy baker to give them a bread loaf shaped like a walrus, to negotiating with a juggling busker for a rare maraca, the twins learn that winning takes brains, courage, and a little harmless trickery.