![](https://image.tmdb.org/t/p/w342/ffGxtqWI0TFVuLRGawxFJbibZfx.jpg)
Frost is invited to join fellow George Cross recipients in London. He is instructed to enlist the aid of WPC Hazel Wallace as a decoy to catch a serial rapist, but it exposes her to serious danger.
![](https://image.tmdb.org/t/p/w300/6NCbnwaFmnnLh5c8t3elaAHd0na.jpg)
![](https://image.tmdb.org/t/p/w300/xQdqYL4ad2J7kJWxYUcYTg6mwGS.jpg)
![](https://image.tmdb.org/t/p/w300/ioobnL6KTvNE8mJq7MxhOa6uYBS.jpg)
![](https://image.tmdb.org/t/p/w300/tSVndQGp8NlvCK6P4Lj9nnaHlno.jpg)
Other episodes for this season
![A Minority of One](https://image.tmdb.org/t/p/w300/kAx1L2JzcA1Kqmap9sTUYYPIlUs.jpg)
![Widows and Orphans](https://image.tmdb.org/t/p/w300/242RuUlsvwKwWiM4nQEolvYLEXt.jpg)
![Nothing to Hide](https://image.tmdb.org/t/p/w300/ipnwM9fOt4nevfVIAxhonHYJsme.jpg)
![Stranger in the House](https://image.tmdb.org/t/p/w300/tBMmmGQPaabIzAHEqF70Kp9Pm3S.jpg)
Frost is invited to join fellow George Cross recipients in London. He is instructed to enlist the aid of WPC Hazel Wallace as a decoy to catch a serial rapist, but it exposes her to serious danger.