Luo Zheng, a menial slave now, was formerly a young master of a big family. Decline of his family forces his forced sister to be imprisoned by a strong force, and he has no way but to be at others' convenience. Nonetheless, every dark cloud has a silver lining. The old book left by his father really kindle a magic spell that can metamorphose a man into an weapon, and he starts his journey to save his sister and get revenge.
