The Eastern territory has invaded and taken control of the Western territory. An anti-terrorist group was created a year before the invasion and it's now up to Frost (a.k.a Humphrey) and his squad to take down the Eastern wolves and end the war.
Kate is out doing a solo border patrol until she comes across a new born pup left alone in the woods. She doesn't know how it got there, but decides to bring it back to her parents and see if they know what to do with it.