The top-secret formula for a new form of explosive has been stolen! How to get it back? Just set a Bulldog loose! Bulldog Drummond's (John Howard) eighth screen exploit has the British crime-buster postponing his wedding to loyal girlfriend Phyllis (Louise Campbell) in order to prevent the dangerous formula from hitting the black market. John Barrymore, Reginald Denny, and E.E. Clive co-star. 55 min. Standard; Soundtrack: English.