Mark Sivertsen

The NCIS team investigates when a seaman's body is found at the bottom of the sea in his dress whites, with a ceremonial sword. They discover that he was addicted to a Wizards and Warriors style role-playing game.

When teenagers who were reported missing are suspected of a series of mass murders in Chicago, the BAU investigates their whereabouts to find a motive for the crimes.

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.

Leo Billups witnessed a drug-related murder that involved the Cruz family, one of the most powerful drug families in the country. It's a common enough story in WITSEC. What sets this one apart is that the person he saw murdered was his mother… and Leo is eight years old. When Leo enters WITSEC, no one's really sure what to do with him. His father can't go into the program, since he's one of the people Leo is testifying against. Mary asks another WITSEC family if they'll adopt him. When they agree, it seems like everything's going to work out perfectly. But Leo's father sues for custody, claiming the Federal government had no right to take Leo in the first place. Everyone knows he just wants Leo so he can keep him from testifying, but the law is on his side. Now, Mary must find a way to keep Leo away from his father and safe from the Cruz family.

When Angela's (Judith Light) dating schedule slows down, Tony (Tony Danza) persuades Mona (Katherine Helmond) to entertain her.