Conexo

Six troubled teenagers, Eva, Sam, Noel, Sabina, Gabi and Ana, survive a train accident. But no one comes to rescue them. And it is that in Conexo there are other boys identical to them, but with different personalities, living their lives and who mysteriously disappear after their arrival, forcing them to replace them until they discover that they may be different people. Why are they duplicates? What really happened in the mountain tunnel?