Police drama series set in Chicago. Canadian mountie Fraser wonders whether he is losing his touch after he is outwitted by a fanatical assassin who is threatening the lives of ministers at the North American Trade Summit. Even Diefenbaker's wondering if he should move aside to give younger pups a fair crack at the whip. However, as the main event of the Trade Summit nears and the stalker closes in on the distinguished politicians present, Fraser may be the only hope when the bungling FBI is in charge.