After the passing of his estranged father, Nick Simon returns home to settle his small estate. But in rummaging through his father's belongings, he and an appraiser unknowingly trigger an ancient Sumerian doomsday device. To make matters worse, It's just been stolen! Now, amidst every natural disaster imaginable, Nick and Angie must recover and reverse the stolen device. But with the fate of the world hanging in the balance, will they be able to stop it in time?

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.