Traitor from the Parallel

Cousins Sveta and Alya are going on a cruise on a riverboat. They are expecting interesting places, new friends, and well-deserved rest (after the school year) in loungers on the Sunny deck. In general, the holidays promise to be wonderful. But it seems like a black cat has run between the girls. Alya is behaving arrogantly, clearly concealing something and blaming her younger sister for all her troubles. Sveta also has reasons to be upset with Alya: while the girl was in the hospital, Alya started dating her boyfriend…