The thieves start back to the freight car for another load of stolen goods. This is Kay’s chance. Quickly she lets herself into the shack and lifts the trap-door. In the dark cellar, dimly lighted by the lamp, she sees many crates and boxes, undoubtedly the thieves’ loot. Without hesitation Kay descends the ladder. Too late she hears footsteps overhead. The men have returned. Kay is trapped! How Kay Tracey works herself out of this tight spot is only part of this exciting story that begins with the teen-age detective joining the hunt for the kidnapper of a beautiful movie star.