The Judas Strain

The Judas Strain is the 4th book in the Sigma Force series of books.

Plot
Following a meeting, a priest in the Vatican quickly takes an item to a meeting with a mysterious woman. The woman takes it, kills him, and escapes. In Washington D.C., Gray Pierson is enjoying his vacation when the woman Seichan crashes her motorcycle in front of his house. He takes her to a doctor to be healed while his parents are caught. The two, Joe Kowalski, meet up with Monsignor Vigor Verona in Istanbul. Meanwhile, Lisa Cummings is stationed on a cruise ship in Indonesian waters when it is boarded by pirates. Monk Kokkalis is taken captive on the ship. Both work to free themselves. They are forced by the Guild to do work on finding more information on the virus. The group in Istanbul deals with a historical branch of the Guild and they find evidence that Marco Polo h ad walked through there. The polo mission had at one point had walked to Angkor Wat, but eventually came back with a disease, covered up by the Vatican. The historical team of the Guild forces Gray, Seichan, and Verona to travel to Cambodia.

The scientific team uses the people on the cruise ship as test subjects for the disease, discovered to be bacteria from the 13th century. Unfortunatey, the people go mad and spreads to nearly everyone, killing the main team of Guild scientists. Everyone link up with the scientific arm where they travel to Angkor Wat. There, they discover diseases that brings down an relic hidden temple, and results int he death of the entire Guild teams, leaving everyone else alive. Everyone goes home and gets ready for the next mission.