I only got through episodes 1 & 2 before giving up. To be blunt, the show is boring. Peppering it with explosions and fight scenes does not detract from the convoluted plot, the utter lack of chemistry between the main protagonists and the fact that we are not given a single reason to like/root for any of the characters.
Such a shame, I loved Richard Madden in Bodyguard, and I love Helen Mirren and Stanley Tucci in pretty much anything. In this show all three are wasted. Helen Mirren basically plays her character from Red, but without any of the heart and wit. Richard is simply not given any material to show his acting range and is reduced to running for his life, fighting without knowing why and inane dialogue. Stanley may as well be a cardboard cutout.
Don't waste your time on this drivel.