"When cousins Riley Halfmoon and Maya Dawn move to Urbanopolis to live with their activist grandma, they get off to a rocky start. Outgoing Riley misses her Muscogee cousins but is sure that she and Maya will be instant BFFs. Meanwhile, introvert Maya misses her parents, on active duty in Japan, and just wants some space to herself. At school, Maya joins Robotics Club and Riley bonds with fellow gymnasts. Just when they start to feel at home, their...