ChatterBank2 mins ago
Safe House
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What the hell?
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For more on marking an answer as the "Best Answer", please visit our FAQ.My interpretation of the ending is that Becky,the female cop, rifling through Mark's flat, discovered photographs of Mark and Katy as children, suggesting that they may have been brother and sister. This may have been to ram home just how unhinged he was long before he had the affair with the murdered woman, when you remember that he said to Katy that she had been his until Robert stole her from him. It was a bit of a weak finale but it may well have been done to leave the possibility of a second series - though i haven't heard or read anything about one being commissioned.
hc; during episodes 1, 2 and 3, we were led to believe that Mark had designs on Katy, but tonight he said to her, something along the lines of, "Robert stole her from me, just like he did with you." So, if indeed they are brother and sister, then she obviously knows. The ending was ambiguous but there is no real need for another series to tie loose ends up. Mark is on the run and is a few waves short of a shipwreck - that's all we need to know, really:-)