The Blood Dragon Bar is a notorious underground bar in Hong Kong and the headquarters of a powerful international drug trafficking network. Initially, the police successfully carried out a number of raids, but the organization has become increasingly sophisticated. All recent police efforts have failed at crucial moments, leaving the fight against the Blood Dragon Gang at a stalemate.

The police suspected that an insider was leaking information to the gang, sabotaging their efforts to take it down. In response, a special operation was launched, placing undercover officers inside Blood Dragon itself.

You are an officer chosen for this dangerous mission, your task is to infiltrate the Blood Dragon Bar, identify key locations in the drug trafficking network, and expose the mole in the police ranks. But your cover is in danger – the traitor has begun to suspect you. Therefore, the time to complete the mission is shortened, your life is in danger.

Your investigation uncovers a shocking list of police agents, revealing an insider who has sabotaged previous operations. Just as you gather evidence, sirens sound, signaling that your presence has been exposed.

Now, you must quickly report the identity of the mole to your superiors and find a way to escape. With only a hidden gun, you only have one chance to escape from here before it's too late.