In a closed factory that has stopped production, five men woke up from a coma, but they couldn't remember who they were or why they were here. The only thing they knew was that they were trapped here, and they were either tied up or injured, and in a bad state. At the same time, the ransom handover procedure for a kidnapping case was in progress. The criminals successfully got the money and escaped with their clever preparations in advance, and the police who were secretly monitoring them quickly launched a pursuit. After searching and analyzing the vague memory fragments, the five men in the factory roughly sorted out the current situation: two of the five were the kidnapped company president Cos and his colleague McCann, and the other three were kidnappers. The real Cos and McCann must escape before the kidnappers who collected the money return, otherwise they will face the risk of being killed. However, when the identity cannot be determined, how easy is it for everyone to keep themselves safe?