Tatyana, a cardiologist at a city hospital, is accustomed to her loneliness, to a measured and monotonous life. Once upon a time, she almost started an affair with her colleague Yura, only an accident stopped her from a humiliating relationship with a married man, which Tanya was now very happy about. She was not going to change anything and did not pay attention to her neighbor Stepan at all until she found herself together with him involved in a mysterious whirlpool. First, their elderly neighbor Inna Ilyinichna, who never complained about her heart, had a heart attack, then her nephew was murdered, and after this the mysterious archive of Inna Ilyinichna’s husband, a former famous journalist, appeared, which contained incriminating evidence on influential officials... But most of all Tanya Vlad was frightened by Stepan's ex-fiancee, who intended to return her fiancé. And Tanya could no longer imagine her life without him...