This document is a screenplay summary for a detective story. It describes two detectives, Wei Shen and Cole Phelps, investigating the murder of a woman in an alley. They examine the crime scene but find little evidence. Phelps questions the victim's husband who claims he didn't do it. Later at their agency, a shy Asian woman named Clara drops off an envelope with potential evidence, including photos and a note asking Shen to meet the sender at a cafe the next day.