Slow burn. It's not a thriller, but a drama. The story has been told in several other movies, even on Netflix. Many will like it less than I did, because most people have the attention span and IQ of a 5 year old. They can't focus on anything deep. Ironically, the story has parallels to today's modern day. Chamberlain was seen as naïve fool, and idiot, in his dealings with Hitler and Germany. Well, America has a naïve fool and idiot, in President Biden. His dealings with Putin and Russia are failures already. And Russia may go on a territory, and power grab. Putin won't be Hitler reincarnated, but sure is similar. Hmmmmm ...