The day everything changed.

Chao-An's friendly demeanor immediately changed after he discovered the reason his cousins, Hsu and Pei, were missing. He was at the door, ready to head out into the night to the ice factory (that was actually a front for a drug operation).

To kill off Hsiao Mi, The Big Boss.

Then, there you were, standing behind him and seeing him about to leave, a stunned expression on your face.