Michalis and Sara try to hide from the rest of the family that they are sick so as not to be banned from the annual family retreat at Hector and Ioanna's chalet. They seek medical advice from an elderly pediatrician, Mr. Charilaos. Sara tries to get by with a delayed clothing order, while Michalis tries to find the most enticing title for his article.

Michalis suffers a lumbago after a game with Chara, and is in danger of missing the final of the bowling tournament he has with Stavros. Sara realizes that her physical condition is not what it used to be and tries to sabotage her participation in the 5K Marathon with Chenua.

Michalis and Sara agree that they no longer want to forbid everything to their children and decide to give them a "yes day", during which they cannot say "no" to anything they ask. Their plan does not go well at all, exactly as they expected.

Sara tries to teach her kids to eat more vegetables, but her method backfire. Michalis tries to lower his cholesterol while Sara tries to get rid of a masseuse with magical hands...

Michalis and Sara spend all Saturday in the car, driving the kids to various activities. This turns out to be a good opportunity to spend some time together. Ioanna and Ektoras visit a psychic who has a very bad prediction for them.

Michalis and Sara's plan to do nothing all day is thwarted by a series of unexpected circumstances. The day ends with gastroenteritis, lice, tetanus shots, dislocated shoulders, and an allergic reaction.

Sara tries to train Tasos intensively in basketball in order to get him on the school team. Michalis struggles to convince his father to take blood pressure pills, as the doctor prescribed, and Stavros is asked to create the new website for Chenua.