 Futile idealist Sam just volunteered for the Red Cross, so she promotes blood donations. Jeff laughs at the idea, until Odilon points out that as civil servant that entitles him to a day off, just now he needs one to go fishing with a mate who rented a boat; being scared of needles, he convinces Odilon to give blood under his name, but the lab reports serious anemia- even better, now his wife Jeanne will spoil him instead of calling him lazy? Alas, Jo is out for vengeance since he failed to pay up for his dentistry advice, so now he gets a disastrous medical bulletin until he pays double. Meanwhile Ria panics that Betty has lost a college library book -actually forgot she left it with Jeff- on erotic massage -perverse horror in Ria s eyes!- she loaned on Ria s card, to the point of ransacking everybody s rooms, so Betty buys a new one and Jo forges a card. Finally everything goes even more wrong...