A "blind" pianist witnesses a murder and, to protect his secret, hires Pete to find the killer.

Gunn is "Sentenced" to death for the murder of a clerk, but he escapes jail.

Walter C. Gerard is prisoner in his own house, his daughter has paroled criminal Frank Loomis who now lives in the mansion and runs the show.

Wealthy Sportsman Harley Bernard would like to know who murdered his stable manager. At first Gunn suspects Frank Rousseau, a gangster who once tried to get Wally to fix a race. The next suspect is a seven-foot giant who tries to strangle Gunn. After being rescued by Lt. Jacoby, Gunn visits TV exercise personality Jack LaLanne who identifies the tall man as the ""Great Gorza.""

Lisa Randolph's well-groomed appearance belies the turmoil of her emotions - as Gunn discovers when he is asked to prevent her from committing suicide.