A deadly virus. The return of an enemy. The most dangerous prison on Earth.Life is never boring when you're a superhero...Axel and the team get more than they bargained for when they settle into their new home outside Las Vegas. A surprise attack results in Brodie, Ebony, Dan and Ferdy being taken hostage and held in a secret location by cult leader, Jeremiah Stead.Stead wants their help in opening an encrypted device called Barricade. If they refuse, it'll cost them their lives, but agreeing to Stead's demands will mean handing over control of a deadly virus that could kill billions of people...Axel and Chad can find Stead, but it means they have to break his brother out of prison. And it's not just any prison. It's the world's most dangerous jail-Yodak prison in North Korea, a place filled with modified humans who have deadly powers.Getting in is easy. Survival is hard. Escape is impossible!