Devil have some kind of intelligent computer through which he can find out about all the children around him.
He can detect which child has a high IQ and which child has other talents around the area he stays in.
He will select some of those children and kidnap them for his experiment.
But Huo Yao was kidnapped by other kidnappers.
Her foster parents trade her as redemption for their daughter.
But on the way, the Devil's people attack those kidnappers and bring Huo Yao to ' Dark Alley'.
When Huo Yao tries to escape but was caught by the Devil, he tells her that his eyes were on her from the beginning.
He was just waiting for a chance. Now he managed to get her, how could he be willing to let her escape?
...
Back to the present, Huo Yao noticed Ye ZhengYu's bandage on his arm was already soaked with fresh blood.
