The best episode of The Rook—1.4—was on last night, in which we find out lots of stuff about Myfanwy.
First and foremost: she knew that Bristol had something important to do with her forgotten past. She thought it was the city (and it's a nice city, one of my favorites in England, after London), but it turns out to have been the name of her shrink. And as soon as they meet in this episode, in the present, it's crystal clear (to the audience, if not yet to Myfanwy) that they were having an affair. Her earlier self has left her a note, in Bristol's possession (which he gives to her now) that tells her to run if she's in Bristol's presence.
It's not that the earlier self objected to having sex with him. Apparently, it was pretty good (they do it again). It's that the sex unleashes much stronger super powers than she usually has. Hence, Farrier, suspecting that might work, set the two of them up.
Meanwhile, we learn who wiped Myfanwy's memory: Nazim, a young guy and an enemy agent. His super power is wiping memories (I mentioned in my first review of The Rook that it owed a lot to Heroes). But on whose command did he wipe her mind?
Farrier is emerging, not surprisingly, as a somewhat nefarious character. She set up a trade with the bad guys—they would get Nazim, and she would be Myfanwy. Her mind wipe was in some way Nazim's attempt to foil this trade?
Conrad will likely find out. At this point, he's emerging as the most stable and reliable person in Checquy.
See you next week.