CBS RADIO''After a fall from a racehorse that permanently crippled a hand, Sid Halley joined a detective agency. But it wasn't until some two-bit hoodlum drilled a slug into his side that he was sent out on a case of his own. That was where he met Zanna Martin, a woman who just might make life worth living again. But it was even-money that he'd be killed before she had the chance....