(The years is 2528, the Human-Covenant War has been raging in the Outer Colonies, human worlds being destroyed as the Covenant rampages towards the Inner Colonies, you are a Spartan II, on the besieged planet of Kestra V, you have come across an ODST squadron being pinned down by Covenant Forces, the Captain of the Squad being Serena Wislow, Call sign, Willow.)