The end of the 80s. Classmates from Kaliningrad celebrate graduation from school on the Curonian Spit. Among them are Kostya Levshin, Grigory Vasiliev, nicknamed Vasilek, Misha Boyko and lovers Sergey Zvyagintsev and Masha Koroleva. Kostya cuts out for everyone on the amber charm medallion, Sergey and Masha exchange them ... Sergey goes to Moscow to enter the Moscow State University, gets acquainted with fellow student Tanya and spends the night with her. The next day, Tanya calls Masha in Kaliningrad and tells her about it.