Pin repairs Kar-Karych's mechanical clock and conceits himself as someone who knows everything about everyone: all screws of life, all events are known in advance. But what will his pride lead to?
Krosh's and Yozhik's heater is broken, so they ask Pin if he can find another one. At his scrapyard they find covered device, that Pin forbids touching. While Pin is searching, Krosh and Yozhik violate the order and break his invention.
Nyusha "breaks" Barash's heart by offending him, and Krosh breaks Yozhik's while playing football. Barash and Yozhik unite in a "Club of broken hearts", and Krosh and Nyusha do not stand aside.
Barash felt cramped at the sandbox: all's wrong and his friends only disturb him. He found another one, but felt bored. He invited Yozhik, but it didn't work out. So Barash decides to make large sand castle on his own.
The time machine has sent someone to the past, and someone -- to the future. So it's time to figure out which tradition is old, and which is tradition is new.
Each one of us has different talents. But one day the moment when you find the talent that'll be with for for your whole life. And Nyusha finds that talent -- she decides to become an air stewardess.