(BRASS leaves the car. BRASS walks into the room.) Brass: The car is registered to our dead couple. COLLAPSED BUILDING - DAY]
(CATHERINE walks out of the building and under the crime scene tape. Catherine: Well, you are the District Engineer of the city, right? Happy anniversary. It is complete chaos as people run into each other trying to process the crime scene.) It's stopped raining for the moment. O'Riley: Three old women. Sara: A tip ... of a knife. She's on the sidewalk, a foot from the curb and he's in the middle of the street. Warrick: That looks like a handprint. What is it? What's with the fluoroscope?
Plan: A: A couple; Q: How many people were killed in the street? A: their anniversary; Q: What were the couple celebrating? A: their car; Q: What was stolen from the couple? A: The crime scene; Q: What is compromised when it rains? A: a new crime scene; Q: What does the car become? A: Catherine; Q: Who looks into the collapse of a city owned residence? A: three; Q: How many elderly women were killed in the collapse of the city owned residence? A: the city engineer; Q: Who is responsible for the building? Summary: A couple leaving a restaurant on their anniversary are killed in the street and their car is stolen. The crime scene is compromised when it rains shortly after the CSIs arrive. It gets more mysterious when the car is found and it becomes a new crime scene. Catherine looks into the collapse of a city owned residence that kills three elderly women. She runs into problems with the city engineer responsible for the building.