When a nuclear power plant combusts, our protagonists, Ryan, Liam, Nathan, Scarlet and Tom, learn that government experiments were being held inside and that the cities water has been contaminated. Their lives will never be the same.
Following the events of 'Episode I: Radioactive', Ryan, Liam, Nathan, Scarlet and Tom develop upon their abilities and decide whether they want to use them for the right reasons, or wrong.
After finding out that Nathan has been stealing others powers and murdering those he stole from, Ryan, Liam, Scarlet and Tom, try to figure out what his motivations are and how to prevent him from continuing.
Following Scarlet's death, Ryan Liam and Tom make a choice on how they're going to survive against Nathan. Meanwhile, Nathan attempts to turn the time back using his ex-girlfriend's stolen power to save his parents from death.