Violet broke up with him because he lied to protect her. Zoe won't even look at him. Zane pretty much stole his girlfriend. Diesel doesn't know who to trust. The Keller kids turned their friends against them and now they may be the only ones left that will survive. Grover and Barrett leave the school, never to return. What would be the point when no one even trusts you anymore? Barrett has developed some questionable yet undeniable feelings for his friend. Grover has no idea what he feels for anyone after Violet broke his heart but he knows he trusts Barrett with his life. Despite all of their personal troubles, this duo still has to be prepared for anything. Especially when Keller Chemical is still out there killing any survivors the initial explosion and aftermath failed to do. Enemies who were once allies will return, Keller Chemical experiments will seek revenge, new allies will emerge as well as new enemies. Who will lose. . .and who will prevail?