High school sleuths Jackie Cooper, Bonita Granville and Gene Reynolds prove solving a murder is mere child's play in this fast-paced whodunit, costarring Gail Patrick and Ian Hunter. When his gambler father (Hunter) is wrongly convicted of murder, Johnny Davis (Reynolds) is determined to prove his dad's innocence. Following a series of clues that point to the real killer, Johnny and pals By (Cooper), Kate (Granville) and Doc (Leo Gorcey) decide to stage a play that will force a confession and drop the curtain on a murderer. Also starring Tommy Kelly (The Adventures of Tom Sawyer), Billy Watson (The Shop Around the Corner) and June Preisser (Strike Up the Band), Gallant Sons is a satisfying, amusing and smartly paced mystery featuring the most famous juvenile stars of the era.