sentences:  It stars Tim McCoy (in a break from his usual cowboy roles) as a firefighter who is developing a new kind of flame retardant, but his work is constantly being disrupted by a rival named (Gayne Whitman) who wants the formula for himself (as well as the leading lady, played by Marion Shockley).Fittingly, seven of the 11 cliffhangers involve burning buildings with at least one principal trapped inside.It is unusual for the manner in which chapter recaps are handled