Bullet to Beijing

After some 30 years, Caine returns to his role as intelligence agent Harry Palmer. Forced into retirement, Harry finds himself privately recruited by Russian businessman Alex (Gambon) to retrieve a stolen chemical weapon being transported on a train headed for China. Harry gets a little local help from Nicolai and Natasha (Connery and Sara) but treachery is all around. Follows "The Ipcress File," "Funeral in Berlin," and "Billion Dollar Brain"; based on the novel by Len Deighton.