Revenge of the Pink Panther (1978) on Netflix

The French Syndicate has a pending deal with the Americans but the Americans want to pull out. But Douvier, the head of the French says that all the arrangements have been concluded. But the Americans feel that Douvier is no longer as powerful as he once was. Douvier then tells them that to prove that he is still powerful, he will do something to get their attention. He then consults with his asociates for possible acts he could perform. Then one of his people suggest that he eliminate Inspector Clouseau. He tries but Clouseau is just too difficult to kill. He then tries to ambush Clouseau but a thief took his car and clothes, so the thief was the one who was killed but everyone believes that it was Clouseau. Clouseau after being mistaken for a lunatic and being sent to mental hospital, escapes and tries to find out who tried to kill him.