Kramer tries to get a "refund" for Jerry's broken stereo. Jerry is against the idea until he gets a mysterious package in the mail. Newman accuses Jerry of mail fraud when Uncle Leo signs for the package and an explosion is heard while he is talking to Jerry. George, meanwhile, gets involved with "Photo Store Shelia" when she accidentally slips an enticing photo in George's pictures. George decides to send one back, but the plan backfires. And Elaine gets a rash and is barred from every doctor in New York when she takes a peek at her medical chart.