The scientist grandfather of the ten-year-old Mesi thinks that two people can only get to know and understand each other properly if they exchange souls and personalities, and can live each other's life for some days. Mesi would rather swap places with the famous footballer, David Beckham since she is playing in the school?s football team, but finally she agrees to swap places with her divorced mother, for science's sake. Unfortunately the metamorphoil, the essence which causes transformation, spills out, and grandpa is unable to change back his daughter and granddaughter. Mesi is an adult woman, and mum becomes a girl. Mesi has to date with mum's boyfriend, love her little brother and teach in the school. Mum as a child has to be nice to her ex-husband, and be a good pupil and a great football player. They try to hide the metamorphosis, defending grandpa from the possible punishment. However, the neighbour finds out the truth and calls the police...
Real family and school conflicts, a storm of feelings, lots of humour and tears of pleasure? The book was published in 11 000 copies in 3 years.