Melanie discovers little red, itchy bumps all over her body and has no clue what they are. She supposes she might be having an allergic reaction to working in the weeds at Northern Home. Dr. Landon advises Mel not to wear a bra or underwear for a day to, like, ""air it out."" Brilliant advice. Remember this later when Landon says Mel is always talking out of her ass. Mel goes to the doc and learns she is stricken with scabies, a.k.a. body lice. Mel just wants a little sympathy, but the roomies are enjoying making fun of her way too much. Plus, they become concerned about their own risk of developing scabies. Because they all live in close quarters, Mel's doctor comes over to the house to examine the other roommates and give them some treatment lotions. Willie is freaked out and does not want to get body lice, while Sarah thinks that scabies is the best thing that has ever happened to the house because this will finally motivate everyone to clean up. The roommates wash all of their beddin