If it weren’t for these strange phone calls, then Machine’s friend Zoyka would be alive. They started almost two months ago. They called Masha’s home number and were silent for a long time. Moreover, when her husband, Vovka, was not at home. And then the telephone terrorist called Masha on her mobile from... her home phone. And now her best friend Zoya lies in her apartment in a pool of blood! How is this possible? Zoyka simply decided to check who Vovka was having fun with. Masha no longer doubted that it was her hubby who intended to drive her crazy with phone calls. But he assured: he was not at home! Then who was wandering around their rooms, who was calling from their home phone and who killed her friend?..