C405 Breakthrough(2)

My mother's birth mother, my grandmother, is in Zhangjiazun?

At that moment, I didn't know what to do. My mother had never mentioned this to me before.

Besides, my mother was brought to the hitman base when I was young, so she probably didn't even know where I came from. But I suddenly thought that since my mother had the means to find Thirteen's brother, Thirteen's 3rd Master