As a child, Anna was raised by governess Amalia Biller, and she recalled her stern mentor with a shudder. Anna was still tormented by nightmares - Amalia appeared to her in the form of a white rat. The fact that the governess had been dead for a long time did not change anything... Amalia did not have her own family, only her niece Evelina and her son Nikolenka. Thirty years ago they moved to Riga, and since then no one has heard anything about them. And then the handsome pilot Nikolai Biller unexpectedly appeared to Anna’s elderly aunts, with whom Amalia had once been friends. He began recklessly courting Anna... After a fun walk and the party that followed, Anya and her friend Basya barely woke up. It seems that the new boyfriend treated them to wine with sleeping pills and stole Anna’s keys to her apartment! The girls went to Anya’s house, hoping to get an explanation. The biller really ended up there, but he couldn’t explain anything to anyone...