Columnist Jack Holiday and his wife, Susan, night club singer, are hosts to a dead guest and their combined, and individual, look-see for the killer gets involved with San Francisco's highly organized vice-ring. The trail brings a big beat-up for Jack, near death for Susan, and admonitions from the FBI, who are out for the top-man in the set-up. The bumble-fumble into trouble for a patterned play-off.