I tried this show mainly because I have liked Suranne Jones in just about everything she has been in since she exploded onto Coronation Street many years ago. That is a tribute to her not just as an actress, but also as someone who seems to always choose good projects. The relationship between her character and DS Longacre, shown almost entirely in flashback memories, comes across now and then as cliched, but not enough to put me off. I like how they use it to allow Longacre to get information to Suranne’s character using a sort of memory code to get past those who are monitoring their…