Please answer the following question: Build a movie plot around this: What caused the collapse of the caves? The mansion collapses from an explosion, which caused the caves to collapse.
A:
The film begins with members of the Catholic Church digging up the body of a 19th century church official, whose casket has a box-shaped urn chained to it. Inside the box they discover artifacts belonging to Mater Lachrymarum (Moran Atias), the last surviving member of the Three Mothers; an ancient trio of powerful black witches. In particular, the box contains a magic cloak that, when worn by Mater Lachrymarum, increases her powers significantly.The urn is shipped to the Museum of Ancient Art in Rome, where Sarah Mandy (Asia Argento), an Italian-American studying art restoration works. Sarah is dating the curator Michael Pierce (Adam James), a single father who is away from the museum that night. With help from the assistant curator Giselle (Coralina Cataldi-Tassoni), Sarah opens the box and finds the cloak, a dagger, and three statues representing the three witches. Sending Sarah to her office to retrieve tools to help her translate the text on the artifacts, Giselle is promptly attacked by the demonic agents of Mater Lachrymarum. Sarah arrives too late to save her boss (who is being disembowelled by the monsters) and starts to flee the museum. Unfortunately, she is pursued by Mater Lachrymarum's familiar (a baboon) and is only able to escape when a disembodied voice magically throws open a series of locked doors keeping her trapped inside the museum. Sarah tells the police what happened as she spends the night with Michael and his son. Michael visits the Cardinal who sent him the urn only to find out that, shortly after mailing the urn to him, he had a severe stroke and is now in a coma. An assistant of the priest gives Michael a piece of paper, which the Cardinal was writing on before collapsing. On it is scrawled the name "Mater Lachrymarum". As he leaves the hospital, a pair of witches observe Michael leaving the building.Back in Rome, chaos descends as a wave of mass suicides, murder, and violence engulfs the city. Sarah continues her own research only to be summoned by Michael to his apartment. The...