Tereza is an ordinary sixteen-year-old girl who meets a slightly older boy on Facebook, and together they experience all the situations that young people of their age get into. He deals with his relationship, breakups and comebacks, but also his behavior towards his parents and friends, he learns the basics of behavior in a restaurant, on the tram, in a hotel, on a plane trip, at a disco, but also at a wedding and on a joint vacation on a yacht. They both go through all the pitfalls of life and cope with them together. In the subtext, the engaging story of first love is still accompanied by rules of etiquette adapted to the life and mentality of teenagers.