S6, E4: Monk and Natalie stop by Captain Stottlemeyer’s office during his nightly webcam date with his girlfriend, Linda Fusco. Meanwhile, Linda’s real estate partner, Sean Corcoran, is out of town showing a house to a young couple. Suddenly, an intruder appears. Without saying a word, the intruder shoots Sean Corcoran dead, but allows the terrified couple to escape with their lives. The next day, Linda hears the devastating news that her partner has been killed. Stottlemeyer promises to find the killer and sends Monk to the crime scene to investigate. Monk has a suspect in mind -- Linda Fusco.