After eleven-year-old Mi Xingchu woke up, she only remembered that her father and her tribe were killed, and that she was adopted by Prince He's Mansion. Finding out why her father and tribe members died became her only goal in living.
Prince He felt sorry for her and asked her to dress up as a man and follow him around. What kind of people and things will Mi Xingchu encounter in He Mansion? Can she find the killer?