Green Arrow and Plastic Man just caught Solomon Grundy, who ends up with them at the the annual Justice League Christmas party, what can go wrong? It all works out with help of Batman, the Flash and the spirit of Christmas. Although Green Arrow tries his best, the rest of the League decides to go to the S.T.A.R. labs Christmas party after all.

When Booster Gold starts to secretly give tours of the Watchtower to make some extra cash, he inadvertently brings in at least one super-villain disguised as a tourist.

While the Justice League is away on a mission, Plastic Man is not only left in charge of the Watchtower, but also of Krypto Superman's not so ordinary dog.

When Booster and the Justice League come under attack by a mysterious and unrelenting new villainess known as Red Velvet, Booster comes to realize she's actually the fiance he left at the altar in the future.