As a mysterious company begins to hunt the wild pack, Jack must return to Stoneybridge and to MI9 to stop them, but at what cost?

The team are back! And this time they must stop Lord Baelish from winning the war of the kings but two of the team must go deep undercover to do so in their most dangerous mission yet! With homesickness, heartbreak and poisoning, who will survive and will they finally catch the Grandmaster? And can the team keep their identities hidden when they need to most?

After Frank recruits wild wolfblood Jack into the MI High project, the agents realise that a simple intel gathering mission is about to get a lot more dangerous. The agents must also help Jack to become a tame wolfblood, but will their efforts to disguse his identity be thwarted by Maddy, Rhydian and Mr Jeffries, and will the agents secret identities be revealed in the process?