Loosely based on the gruesome case of the Lonely Hearts Killers, who murdered as many as 20 women in the 1940s, Alleluia is not for the faint-hearted. Gloria (Lola Dueñas, Volver), a single mother and...

The unemployed Duval is contacted by a mysterious organization to transcribe intercepted calls. He accepts the job with no suspicions, since it restores stability to his life, but it will soon result ...