Tonåringarna i den välmående staden West Ham tvingas skapa ett eget samhälle för att överleva efter att alla andra invånare försvunnit under mystiska omständigheter.

In the near future, most of mankind now lives in a handful of city states. There, for the privileged elite, life should be perfect. But for young Sion, life has become a nightmare since letting a strange boy spend the night in his apartment. Banished to the outskirts of the city, Sion now finds himself in worse danger as his inquiry into a new series of mysterious deaths results in his being arrested on suspicion of murder! Now, on the run, the two young men have only one chance at survival.