Do not expect great acting, writing, direction or high production values, or indeed any sense or realism that is expected by those leaving the one star reviews.
This is not supposed to be an accurate depiction of the CIA, but the in-fighting, back stabbing may offer up some black comedic value with development.
And yes it has an implausible storyline, and is possibly trying to do to much in an attempt to find it's way, but it is a diversion, it's entertainment and it is not being held up to be in competition of the likes of 24 et al.
I'd not blow a Friday/Saturday night out to stay home and watch, but on a rainy Sunday, it might offer up enough to keep you occupied and the question of who is behind the intrigue may be enough to keep you watching.