Eighteen-year-old Vasya Tikhonova is travelling with her parents to a medical resort near Moscow, seeking treatment. She has a congenital heart defect, and her mother has always been overprotective. But when the Tikhonov family arrives, a murder is committed at the resort. And within seven days, Vasya’s life will change dramatically. She will meet her first love, she will take a big risk fighting for it, and she will make a discovery that is scary, but grants her freedom.