Retired OSI special agent Maxine Decker returns in THE TOMB, her most dangerous mission to date: prevent the assassination of a Supreme Court justice. After capturing the world's most wanted drug lord, Maxine comes across a photo of an object recently found in the Colorado River, an object tied to a WWII plot to send a submarine up the Colorado and destroy the Hoover Dam. Identifying the object as an earthquake machine based on the turn-of-the-century...