Five years after the world is plagued by an unseen force that causes suicide, a mother and her two children desperately seek refuge. They encounter various dangers and must navigate a treacherous river to reach a sanctuary. Along the way, they face personal and external challenges but ultimately find hope in a community that offers protection against the entity.

In a world where a mysterious force causes people to take their own lives upon seeing it, Sebastián and his daughter Anna must navigate the desolate streets of Barcelona to find safety. Along the way, they join forces with other survivors and discover a growing threat that is even more dangerous than the unseen creatures.

Sequel to the 2018 Netflix thriller 'Bird Box'.