Bing Crosby wants to buy a horse to indulge his other passion --when he's not playing golf with Bob Hope, that is. But when his trainer fails to show up in Vegas, and when he finds the horse's owner dead, problems begin to mount up. Time for Eddie G and Jerry to come to the rescue, urged on by Dean Martin and Frank Sinatra, in town to watch the start of Frank Junior's career. But soon the body count--and temperature--starts to rise.