@Ellis_ You're welcome. And oh my goodness, given that you're British, I don't know how exactly I forgot to recommend "Slow Horses".
Three initial buildup episodes and then straight fire from there onwards.
@lolajaey The maid too had different stories to a certain extent.
All of them just couldn't get their stories straight.
Some people suspected that it was Emma too. Honestly she had the most to gain from the whole situation.
But yeah, the timing of the uncle's arrival is very suspicious