King,atraffickedlioncub,escapesfromtheairportinmid-transitandfindsshelterinthehomeofInèsandAlex,12and15.Thesiblingscomeupwithacrazyscheme:tobringKingbacktoAfrica.Unfortunately,thecustomsagentsontheirtaildon'tmaketheirmissioneasier.Butsoon,Max,thekookygrandfatherthey'veonlymettwicebefore,joinstheiradventure...andfromthenon,thesky'sthelimit.