Chen Lu's Apartment

Hint: Who is that strange thug who just bumped by me in the hall?

Hint: What's happening to Chen Lu?

Hint: What should I do if the police arrest me?

Hint: How do I free myself from that thug when he comes back?

Hint: What do I need from Chen's apartment?

Hint: How do I kill off the terrorist dog?

Hint: How do I open Chen's safe?

Hint: Now what do I do with everything I've found?