What keeps me. Romantic detective

Sonya Lyadova, at the age of twenty-seven, manages to become disillusioned with love and owe a million to the bank. She decides to run away to a small Siberian town and spend a year or two "at the bottom". But in the museum where she gets a job, mysterious deaths follow one after another, blamed on the poltergeist. Sonya does not believe in the revenge of the offended spirit and is going to find a...