Arnold a middle-aged mouse in existential crisis lives in constant suspicion: unlike his wife María he has long felt that the world is unreal a fake like a SCENERY! Arnold decides to rebel against society by confronting his so-called friends neighbors doctors and even the corporation A.C.M.E. (A Company that Makes Everything) blatantly ruling the whole place. Arnold goes crazy as he realizes that all his suspicions are true and that he can't escape from his nightmarish world. Exhausted he finally gives up and accepts his fate becoming a model ACME citizen. Helped by the ghost of his best friend Ramiro and the outcast Mr. Mushroom Arnold and María hatch a cunning plan to escape their town and leave behind their SCENERY in order to start a new life far away from ACME's social and economic control.