Cold Steel

As war rages across an airless moon, the occupants of a high security prison situated upon that forbidding planetoid stage a daring jailbreak. Drax - a fomer Imperial Guard tank driver turned psychopathic killer - joins forces with guards and fellow prisoners alike to evade the ancient menace of the necrons and escape from the facility - but with the metal monstrosities battling Space Marines on the surface of the moon, can any of them escape unscathed?