Racecar driver Tommy Callahan is searching for a fresh start after a blackout on the track causes the death of another driver. He joins a “thrill circus” as a stunt driver where he meets fellow driver Francie and her boyfriend Eddie. Tommy soon begins mentoring Eddie in race car driving, but his continued blackouts prove to be a cause for concern. Friendship turns to rivalry between Eddie and Tommy, their conflict certain to come to a head when the foes bring their showdown to the starting line.
