Elliot finds herself perplexed over a simple procedure that leaves her questioning her career path. She goes to seek Dr. Kevin Casey's advice but becomes frustrated when she learns that the epiphany toilet, which the Janitor secretly installed on the roof, is getting more attention than she is. Meanwhile, Turk asks JD to be his best man at his wedding, which sends JD into sheer bliss momentarily until he hears a phone message that makes him question his friendship with Turk.