Shortly after he had a shouting match with his partner Sammy Garrett, who lacked the money to buy him out now that he had decided to sell and buy a ranch in Montana, Dimension dance studio partner Roland Spear dies when a short circuit in the lighting prop cane causes a fatal short circuit in his his pacemaker. Dr. Mark Sloan had taken Sammy's place as Roland's tap dance partner in the annual benefit for which the fatal cane act was being rehearsed, and snoops in the studio. Steve has no choice but to arrest Sammy, his basketball partner, who hurt his ankle at the game. While Mark snoops in the studio circles and some suspects' private lives, Jack examines the repair shop where Sammy picked up the cane, as Mark thinks the tampering was done there. So various persons' motives and opportunities are examined till he knows enough to set a trap.
—KGF Vissers