Load >>157.
Shout threateningly down the stairs, "There's more where that came from if you don't throw up your gun and come out with your hands up!"
Get ready to grab the gun that he tosses up.
When he asks if it's alright to come out, reply, "Yes, I won't hurt you. We need to work together to escape from this place."
Politely ask Continue to wait in the spacious corridor of >>128. Blow her a kiss goodbye.