An underground facility has pulled a group of teenagers from their lives and used them to test out a new agent called EM-934.The new agent changes the body's composition gifted those lucky enough to survive strange new abilities and powers. Sometimes they do not look human anymore. The agent reacts to every person a different way. Although it causes great pain. The more its given the stronger their powers become. Each subject is given a "mark" so the guards can keep track of their powers. The test subjects have had enough of this 'punishment' and have started to plan an escape. The government wants to keep the lab a secret though, and will do anything from getting the truth out.
Thats the basic idea^^^^