Richard Cummings Jr.

A mystery witness claims the ability to link Neil to the murder, while Louis uncovers an office mole who is leaking information.

Joel and Maggie (Rob Morrow, Janine Turner) set out on a quest to find a mythical city, and Joel must finally face his future.

The arson squad questions Jablonski about the fire at BowlMor Lanes, Hill remains angry at Renko over his hesitation under pressure, and Bates and Coffey are assigned to make a wino presentable for his court appearance.

Penhall and Hoffs go undercover in a rough school to solve a drive-by shooting.