C1613 The Mouse That Grew up in the Dragon's Den

Gao Fei was sure that when he and Shen Yinbing came to this place six days ago, there was a water channel on the left.

But now, there was an Alley Wall like the surrounding Alley Wall. Under the bright light, there was no trace of a door.

Needless to say, that water channel must have been sealed by the young master in order to trap Gao Fei and ___