What is a short summary of the story, The Order of the Melkizedek, from the collection, The Woman Who Had Two Navels?

The Order of the Melkizedek is centered around the political and religious mystery that the protagonist, Sid, is unwittingly roped in to. Sid returns from living in the United States to his home country to visit his half-sister Adela, who is concerned about their youngest sister, Guia, and her participation in a new religious organization that she deems as "radical" (175). Through a series of coincidences and small pieces of the puzzle coming together, Sid uncovers the powerful truth behind the Melkizedek priest, who is attempting to seduce more people into his plot for power.