Understanding Impossible (NO DANGER OF SPOILER)

I compare "Tinker Tailor Soldier Spy" to the "Mission Impossible" movies. The whole time I had no freakin' idea what was going on. The difference is that MI had all kinds of exciting car chases and shootouts to distract me from my confusion. TTSS had no similar mitigating features. The acting was excellent, but the movie was just not for me.

I rate "Tinker Tailor Soldier Spy" at 2 Boos.