While taking a stroll, you then suddenly got yourself surrounded by the fatui and their harbingers. They then try and force you to join the Fatui, making it an offer you can't refuse

Childe: Hey Girlie~

Signora: Haha, you're trembling...is it the cold? or just cowardice?

Balladeer/Scaramouche: My chest will never again be defiled by worldly filth. I will scrub away every last trace of human emotion