Dragon Son-in-Law.

Summary

Ning Xiao Jie, a computer science student, struggles to crack a code to save her father. With only two chances left, she and her brother, Ning Guo Hao, feel desperate. Ye Quan seeks help from a hacker, but unrest delays assistance. While waiting, Aunt Lian, their neighbor, offers comfort but hides a secret. When men in black attack, Ye Quan intervenes, and a hacker named Qian Long arrives to help. After hours of decoding, they discover Aunt Lian is the mysterious Butterfly Shadow. Before they can confront her, Qian Long betrays them, using knockout powder to abduct her, leaving them unconscious.

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