The Holy Spirit is the third installation in Florian Zeller's trilogy. The film is set to explore the relationships between a family of Christians and the impact and importance of religion on them. The Holy Spirit is the third installation in Florian Zeller's trilogy. The film is set to explore the relationships between a family of Christians and the impact and importance of religion on them. The Holy Spirit is the third installation in Florian Zeller's trilogy. The film is set to explore the relationships between a family of Christians and the impact and importance of religion on them. The Holy Spirit is the third installation in Florian Zeller's trilogy. The film is set to explore the relationships between a family of Christians and the impact and importance of religion on them.