Police detective Damico, outwitted by mob killer Blackie Clay, is nominally suspended; actually he goes undercover (as Tim Flynn, ex-con longshoreman) to find Clay and expose the waterfront rackets. In character, Damico throws his weight around so much that the mobsters try to get rid of him; surviving this, he begins to realize that few of those around him are what they seem.—Rod Crawford
Johnny Damico botches a murder case and is suspended from the force. In reality, he is put undercover to identify the mysterious boss of the NY waterfront who has murdered everyone in his way. Will Johnny be next in line?