She went out and the cat must have slipped out with her. When she came back and saw there was only the one cat in the flat, she went right out again and got some kitty snacks. The way she tells it she's been prowling through people's front gardens, shaking her kitty snack box and going "Pusspusspuss" for hours.
So we won't be going to the pictures tonight. We'll be stretched out on our bellies on the cold wet pavement looking under cars for Clio.