Ski Girls tells about four friends who have visited different ski resorts every year since their youth. They call themselves Ski Girls, even though they never ski and can no longer be called girls either. This time they are reunited for Emma's wedding. Emma's fifth wedding, that is. Their friendship will be tested as the other Ski Girls decide to stop Emma from making another mistake by getting married.

The people at Circus Hepokatti decide to throw a big surprise party for Herman The Clown, but no one seems to know when Herman's birthday is. No one has ever organized a birthday party for him before. The birthday arrangements take a surprising turn when the ruthless leader of a rival circus, the ringmaster Tilpehööri, wants Herman to be the attraction of his own circus by any means necessary. When his attempts to trick Herman fail, Tilpehööri decides to bring in the more extreme methods, and soon things start to get weirder and weirder at the Circus Hepokatti.

Gangsters try to steal Uuno Turhapuro's father-in-law's money by infiltrating into the family through Uuno, by pretending he has a long-lost son.

Aunt Fanny and aunt Serena try to find a suitable father figure for Ricky.

During the Finnish war, highway robber Jeppe Antinpoika robs the Swedish king's treasure and the bag of precious stones remains hidden for 200 years. City girl Arska arrives on vacation at Herra Heinämäki's farm. Heinämäki's neighbor, the baker Kakelberg, has a haunted house and one evening Arska runs into a mysterious creep. Arska starts solving the riddle of the baker's house with Heinämäki.

Pekko is jealous when Pipsa is under the spell of the handsome Markku. The children Kalle and Katariina enjoy each other's company. Beauty salon owner Kaisa Kuovi and police officer Reino are preparing for their wedding.

A Black man arriving in Tyräaho causes consternation among the villagers. Meeri Aavasuo wants an adopted child and to promote the cause, she tries to get Pekko as her husband, whose heart still beats for Pipsa. Beauty salon owner Kaisa Kuovi's and her policeman Reino's baby goes missing.

Pipsa has fallen prey to a shady scientist Kalevi. Pekko tries to save her.