Felix and Moa meet the Kallur sisters who show off their summer Falun. They visit the sisters' old training facility, grill pancakes and go summer sledding. How alike are the Kallur sisters? And have they ever fought growing up?
Together with the siblings Herngren, the Eldkvarn brothers Plura and Carla return to the S:t Anna archipelago, outside their childhood city of Norrköping, which they have not visited together since the 60s.
Björn Gustafsson and his brother Oscar, who is six years younger, take Herngrens to Liseberg and gamble away money on the chocolate wheel. After that, the trip goes to the brothers' summer place outside Lidköping.
Felix and Moa try to sort out Malin Berghagen and Kristin Kaspersen's complicated family tree. They go in search of Malin's summer place in Fjällbacka, where she spent her childhood summers with father Lasse.
Pernilla and Linus Wahlgren takes the Herngrens to their childhood home and summer residence at Norra Lagnö. And Pernilla talks about the stripper she was with in her teens while Linus gets angry at his older sister.
Peg and Penny Parnevik bring the Herngren to the place they spent all their summers in Sweden: a terraced house in Åkersberga. Felix talks about his lonely moments in his teenage room, while Moa has a tough time on the mini golf course.