Rebecca Nicholson's series blog: Hugo Blick's thriller reaches its conclusion via a brilliant twist. So what did you make of the solution?

Rebecca Nicholson: Shocking scenes, dastardly plans and Kill Bill-style antics – but how does it fit together?

Rebecca Nicholson: There are thrilling performances from Stephen Rea and Sir Anthony Sher this week as Gatehouse tracks down Glickman

Rebecca Nicholson series blog: A maddening mix of solid mystery, tension and clunky lines such as 'leather soles slip easy on greasy streets'

Rebecca Nicholson's series blog: The third instalment delivers a series of slow, sharp, shocks that are utterly chilling

Rebecca Nicholson's series blog: The Hugo Blick thriller gets on track with a pacy episode that focuses on the plot rather than stilted detail