My Wife's Husband

"It began with a death – mine, or as good as. It felt like my death, but of course it was the guy in the pale blue Vauxhall that actually died, but to look at him, I mean, to see his face, and his gnarly hands with their thick sausage like fingers still gripping the steering wheel, and his hair, silver grey at the back and almost white on top, like the winter coat of a silver fox, was a surreal experience."

The story continues to its resolution. But who dies and who is left alive?