In every hospital, there are wards that are never used. In every person's consciousness, there is a room where they hide what they want to forget.
Among the patients and doctors at the Emergency Medical Hospital No. 2, one can meet aspids, mermaids, and werewolves. And here works the young witch Vasilisa, hiding horrendous scars on her arms and terrifying secrets about her past.
During one shift, an aspid, Vasilisa's patient, unexpectedly dies. The chief doctor insists he died of a heart attack, but aspids do not suffer from heart diseases. Vasilisa is convinced that her ward was murdered, - so why doesn't the hospital management want to take any action to find out the truth?
Tormented by guilt over her patient's death and remembering how many terrible deeds she committed three years ago, Vasilisa begins the search for the killer…