After a big war between Su and Ning, a marriage alliance is established forcing Princess Ning Qian Xi of the defeated Ning nation to marry the Su general’s son Xiao Qi Feng. On the wedding day a ghost in a green dress emerges which leads to the discovery of a female skeleton in a well at the mansion. The wedding gets postponed while the emperor orders Xiao Qi Feng to investigate the case. Su Qing joins the investigation, who is Qi Feng’s childhood sweetheart and whom he really wants to marry. During the investigation it becomes clear that not one but two parties had plans to assassinate the Queen of Su at the wedding. It also becomes clear that it all relates to a happening 20 years ago and even involves the emperor himself. (Source: PeeWee69 at MyDramaList)Edit Translation