Frida, aged 13, has discovered a book by psychoanalyst Erich Fromm called "The art of loving". Using it as a reference she sets out to better the love lives of her family and friends. But love works in mysterious ways...

Frida is 11 years old and on the threshold of adolescence. Her older sister Kaisa is into boys and sticky, romantic youth magazines. Frida thinks Kaisa is behaving very stupidly and she herself has never intended to be like that.