Armed with an explosive powerful ancient cross amulet, Callan is back with his extraordinary team of weapons experts to defend Los Angeles from its biggest threat yet—super villains Muerte and Drago. Callan will have to join forces with his once mortal enemy, Gunnar, to try to save the city.

Cross is aided by his team of weapons experts Riot, War, Shark, Lucia, Ranger, Saint, Blackfire and Nuke. Their biggest fight is against their most dangerous enemy GUNNAR. A thousand year old Viking that's cursed to live for ever. Gunnar's only chance at ending his own life is to be the last living soul on earth. The Cross Team must stop Gunnar before he ends humanity.