Isle of Dogs (2018)

Set in a dystopian near-future Japan, a dog-flu virus spreads, leading to all dogs being banished to Trash Island. The orphaned nephew of the authoritarian mayor sets off on a quest to find his lost dog, with the help of a pack of dogs led by Chief. Along the way, they encounter cannibal dogs, a conspiracy, and the fight to save the canine population. Ultimately, they succeed in exposing the corruption, finding a cure, and reintegrating dogs into society.