Ironside and Mark travel to France to handle the security for an American delegation at a conference with the Chinese, but somebody is determined to stop the talks from going ahead. Meanwhile, Mark falls in love with one of the Chinese delegates.

A man with an uncanny ability to tame vicious guard dogs commits a series of robberies in San Francisco. The Chief has a plan to stop him, but it calls for a dog of his own and a willingness to put himself right in the line of fire.