Story : Milli, Geo and Bot are being pirates at the Umi City beach when they run into their favorite pirate friend, Squarebeard! Squarebeard gives the Team a treasure map that leads to the long lost treasure of Umi City. To open the treasure, they need to find three keys hidden throughout the city. The team sets off in Pirate Ship UmiCar on a thrilling hunt that takes them through the library, the bank vault and the bell tower.