BasicLogic has it all wrong
***SPOILERS AHEAD***Oh dear, BasicLogic, you do seem to have misunderstood a lot. I just saw this tonight and it seemed pretty straightforward.
I agree the inexperienced acting SIO, Reinhardt, was too quick to condemn Farrow - and she later acknowledged this herself - but otherwise most of your "plot holes" are nothing of the sort.
When Farrow identified the body found in a shallow grave on the moor he discovered that the victim's name had come up in an old enquiry, so he retrieved the relevant floppy disks from archived records to look through. He had been invited to spend the evening at his ex- wife's house (which he had once shared with her) to spend time with his children and whilst there he got his old desktop PC with a floppy disk drive down from the loft to go through the disks. Lomax's name came up on the disks. He then had an argument with his ex-wife over her dating, punched the wall and left the house in a rage, leaving the disks behind him. He returned to the house to retrieve the disks later. Given the circumstances, he would hardly have called ahead as she would have told him to stay away. After receiving no response to his knock he let himself in with his key to find his ex-wife dying.
There was no plan to kill Farrow's family. Dale Lomax broke in only to retrieve the floppy disks. The child, Max's, death was an accident - he fell down the stairs when he ran from the intruder. Abi saw his body and Dale and began screaming and Dale's attack on her was an unplanned response. As to where Finn was - that I can't remember. Possibly on the top bunk with headphones on. Everyone thought Farrow had killed Abi, and Finn had heard them arguing and seen Farrow lose his temper earlier in the day so it's unsurprising that he too thought his father may be responsible.
The floppy disks contained details of corrupt dealings between Farrow's partner/friend, Devlin, boss, McKenzie, Lomax and the dead man.
Devlin, the friend/partner, wasn't Abi's new boyfriend, but had had a fling with her years previously. Farrow didn't go to Devlin's house: he went to Topher Lomax's to try to track down the floppy disks. (When he and Devlin questioned Lomax, whose name cropped up in the old casefile, Topher threatened his family so was an obvious first suspect in Farrow's investigation.) Devlin then turned up there too. Not sure why he didn't realise the front door had been forced - maybe he just assumed it was always left unlocked.
Sadly, it does seem that at least one viewer was indeed a moron. That'd be you, dude. For Pete's sake don't try watching anything with a complex plot, mate.
score 7/10
lougarry33 4 June 2016
Reprint: https://www.imdb.com/review/rw3482019/14474
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