Watch Online Free on Watchseries. Masha, the sixth missing child, vanishes without a trace. Investigators have no leads, but suspicion falls on Zhenya, recently released from prison. Unemployed and under scrutiny from old acquaintances, he knows the truth — but staying silent is the only way to protect his freedom. As the town scrambles to find the girl, mysterious calls begin reaching the victims' families, heightening fear and paranoia.