Successful businesswoman Larisa Marygina was inspecting the new office that her company was going to purchase, and unexpectedly came across a strange room. When the armored door was opened, things belonging to the victims of the killer maniac were found in the room. Larisa immediately understood this, because many years ago the tragedy affected her family. The woman was still painfully worried, punishing herself for not being able to prevent it... And now she has got irrefutable evidence in her hands that will allow her to punish the monster! But can she handle it alone? Larisa did not yet know that she would soon have a faithful ally, because help came from where she would not even think of looking for it...