From Du Yi's account, Zhou Ang quickly learned the whole story.
A young couple had checked into the inn that morning. No one paid them any attention; Anminfang was bustling with people every day, with a high population turnover. The innkeeper said they had arrived shortly before lunch, paid for only one night's room, and he had overheard them discussing leaving by boat early the next morning.
Then, in the afternoon, a guest returned from outside and mistakenly entered the wrong door. Their door wasn't latched, so it was pushed open, and the guest screamed in fright. That's when the innkeeper realized something was wrong.
First, the Anminfang ward guards came and sealed off the scene, detaining everyone in the inn who knew about the incident. Then the county government arrived and
