C1035 Who Was Behind This?

On the north bank of the Pearl River!

At half past ten in the evening, Xia Shuang and Xia Xu arrived, but they did not show themselves. Instead, they hid behind a large limestone and vigilantly observed their surroundings.

At eleven o'clock, five minutes past midnight, two figures in white came from the other side of the river. They were like ghosts as they flew across the river