During the Ming Dynasty, Xia Changqi and Ji Yu were betrothed as infants. When the time came to formalize their engagement, Ji Yu's father deemed Xia Changqi too poor and demanded an exorbitant betrothal gift of two hundred taels of silver, hoping to tear the couple apart. Unable to bear breaking her promise, Ji Yu secretly gave Xia Changqi the betrothal gift so he could marry her. Little did she know this would trigger a series of murders. The case is full of twists and turns. Who is the real culprit? The answer awaits your investigation.