Amok

Everyone in the city is terrified, girls are disappearing. Your beloved friend has gone missing too. The most famous and experienced investigator has taken on this case. His achievements are known throughout the country, and he was specifically entrusted with this difficult task. Late in the evening, he called one of you and set up a meeting at an abandoned factory. When you arrived there, you didn't find him immediately. But you instantly realized something was wrong. There were strange drawings around and eyes... Seeing the investigator in the distance, you calmed down, but that was just the beginning. You were stunned by a flash grenade and sacks were thrown over you, hit heavily before that. You came to. What just happened? And how do you get out of here?