If you take away an apple from a friend, then you will have an apple, but will not have a friend... Nikita and Katya are brother and sister, but they do not feel love for each other. One day, the children accidentally meet the postal toad Gustav. Toad is in trouble and cannot get out of the basement, but he needs to give the magic compass to Ivan Sergeevich, who is looking for his little daughter. Gustav asks his brother and sister to take the magic compass, but warns them: if Ivan Sergeevich tries to thank them, under no circumstances should he take the reward. However, the guys do a bad thing and are now forced to go to the Beautiful Valley to the Tower of Wishes. Only she can correct the bad things the schoolchildren have done. The children themselves will never be able to cope, so the pugs Capitolina and Cookie, the cat Aretta and other residents of the Beautiful Valley come to their aid. Nikita and Katya have to go through many different tests before they understand: love and friendship work wonders. And if you take away an apple from a friend, then you will have an apple, but you will not have a friend...