Ernst Stavro Blofeld is the main villain in the movie On Her Majesty's Secret Service. In this movie Blofeld is a famous allergist, stationed in the Swiss Alps. In reality Blofeld is developing a deadly germ that will wipe out all livestock and crops all around the world through his "Angles of Death". All Blofeld wants in this movie is immunity and the title of Count as he claims is his by heritage. Bond then goes to his clinic as Sir Hillary Bray to analyze Blofeld's family tree to prove that Blofeld is the rightful bearer of the title Count. However, a slip of his tongue made Bond be discovered by Blofeld and put in the gear room of the lift that connects the town with Blofeld's clinic. After Bond escapes and returns with friends to blow up Blofeld's clinic he chases Blofeld by bobsled. Blofeld however gets stuck in a tree and is thought to be dead. After Bond's wedding however, Tracy gets shot in the head by Irma Bunt, Blofeld's assistant in a car driven by Blofeld. Since then, Bond has promised to avenge his wife's death.