Helios, a small island in the north. Kaunting tao lamang ang nakakaalam ng katotohanan na itinatago ng lugar na'to. It is the only place in this world where the night does not come. It's also where one of the biggest tragedy of humankind took place. Anim na tao ang binigyan ng pagkakataong pasukin at imbestigahan ang isla. What if in their attempt to find answers, they stumble upon something a lot bigger?