Return Ticket

It's autumn, 1963, and there's a dark cloud hanging over London. Literally.

The thick, impenetrable smog is the perfect cover for a killer who's stalking the streets, not that traffic warden, Gabriella Farnsworth, knows that when she's approached by three young boys who say they've found a body.

When her boyfriend, Detective Sergeant James Archer, gets assigned the case, he begins to build a picture of the killer's patterns and becomes increasingly nervous every time the smog settles over the...