Unbeknownst to Dr. Kelso, J.D. and Turk try to beat the system to treat the Chief's uninsured friend. Elsewhere, the Janitor blackmails Carla with a case of mistaken dog identity. Meanwhile, Dr. Cox tries to convince Elliot that a reformed drug addict isn't quite clean. All the while the entire staff is condemned to wearing dirt brown scrubs when Kelso suspects a clothing thief in their midst.