J.D.'s ego gets in the way of his learning when Elliot, his Co-Chief Resident, continually outperforms him with their patients. Meanwhile, Turk makes light of his diabetes by inventing a guessing game of his inculin levels with the nursing staff, leaving Carla flustered. Elsewhere, the Janitor feels rejected by his secret crush Elliot when she runs off quickly from their "coffee date." Assuming his nice dress attire scared her off, he makes up a story that he was dressed to impress for his a capella band practice which leads to Elliot requesting an impromtu performance.

When J.D. and Turk spend a boy's night out clubbing, J.D. falls for a bartender who seems fascinated by his profession and asks if she can stop by the hospital. Unfortunately, she shows up with her boyfriend who has a secret that J.D. struggles to keep in order to win his new crush over. Meanwhile, Dr. Cox anxiously awaits the Lakers/Heat game but must tape it to watch after his shift. His patience is tested when the Janitor threatens to reveal the final score.