After a mysterious force decimates the world's population by causing all who see it to take their lives, Sebastian and his young daughter Anna must navigate their own journey of survival through the desolate streets of Barcelona. But as they form an uneasy alliance with other survivors and make their way toward a safe haven, a threat more sinister than the unseen creatures grows.
After an entity of mysterious origin annihilates the world's population causing those who observe it to take their lives, Sebastián and his daughter begin their own great adventure of survival in Barcelona.