Gareth and Ari think they might be zeroing in on a killer, but they may also have stumbled into a counterfeit money scheme! Gareth has admitted to Ari that he is a noble Sommerville, and they both have admitted their love to one another. But everything from a harrowing flooded cave to hostage negotiations threaten to put their newfound love in peril. Will Gareth and Ari be able to make it to the altar, or will they die trying?