Damian Wayne is left alone at home while his father, Batman, goes out to help the Justice League on Christmas Eve, but ends up discovering a plot in Gotham to steal Christmas and take the chance to be a superhero like Batman.
Elio, a space fanatic with an active imagination, finds himself on a cosmic misadventure where he must form new bonds with alien lifeforms, navigate a crisis of intergalactic proportions and somehow discover who he is truly meant to be.