Ari is just a regular avatar from Blockville who loves hanging out with his two best friends - Zeke, an obby and parkour pro, and Jez, the ultimate hacker and Queen of Tech. Ari can't believe his luck. Zeke's dad is taking them to see the epic new obby he has built for the army! But the school bully, Trip, is there too. When Trip climbs the obby and dares Ari to join him, Ari thinks it's just harmless fun. But the design of the obby means they have to finish it. Can Trip and Ari finish the obby? Or will it be game over for both of them?