After the death of her parents, a young girl arrives at a convent and brings a sinister presence with her. Is it her enigmatic imaginary friend, Alucarda, who is to blame? Or is there a satanic force at work?@

Los Angeles, June 21st, 2028. While the streets are being torn apart by riots, the Nurse, who runs a clandestine hospital for criminals in the penthouse of the Artemis, a closed old hotel, has a rough night dealing with troublemaker clients: thieves, assassins, someone from the past and the one who owns the place and the whole city.