Call me a grumpy old grouchbag but boy am I getting fed up of the dual timeline format! This one was particularly annoying as both strands were obfuscated rather than having one hook you with hints & clues while the other has the gradual juicy reveals. Just couldn't get a handle on what was going on til right at the end so felt little sympathy for the characters. The 2 MCs were unconvincing as well, their motivations vague & behaviour random.