Two months on from the events of Killzone, much of southern Vekta remains in Helghast hands. As the conflict drags on, the Helghast commander General Metrac throws the conventions of war out the window, escalating to ever more savage tactics to gain ground and shore up his standing. Once again stepping into Templar's boots, the player undertakes a covert mission to free hostages Metrac has seized, all while ISA forces press on with the struggle for freedom.