The Wallaces are at a rigid standstill trying to dig deeper into murders of all kind, past and attempted. While the tension is substantially more palpable in certain scenes and the story becoming more and more linear, episode six is a little weaker, both in terms of content and direction.
Fair warning, this episode has some very graphic torture scenes that often cross the line. The camera angles are tasteful enough, but there is copious blood and graphic detail. Overall, it is meant to heighten tension between the Wallace family and gauge answers, but the sequences prove to be just a little problematic with how far they go. Michelle Fairley, however, is the star of all these scenes and the episode as a whole. The widow/matriarch has truly come into her own and the actress's fierce performance helps sell the fact that Sean (Joe Cole) may not be in total control of the criminal empire. That's an interesting and strong new dynamic for both characters and those in contact with them.
Furthermore, the mystery of the Wallace murder is deepening, though again, this episode is a slow burn with little payoff at the end, so the revelations don't matter too much. This chapter in particular works when it spotlights how unhinged Marian Wallace's temper and iron-willed approach to cracking the case.
There is also a lack of action scenes, which isn't a huge problem, since they exist to push the story forward, but for a director-switch (this episode ushering in Xavier Gens, who will direct the next two outings before Corin Hardy steps in for the finale), it would be nice to see what they can accomplish. Director Gareth Evans is a master at gritty but stylish imagery, while Corin Hardy has a superb control of atmosphere and colours. Gens's colours feel a little more harshly contrasted and his composition less inventive in comparison with what came before. All in all, episode seven is a bit a speed-bump, but its character interplay proves itself as an outstanding component that could impact the rest of the show.