Captain Lash (1929)

Lash is the head coal stoker on a steam ship whose shipmates have nicknamed Captain Lash somehow grabs the attention of society dame passenger Cora Nevins Nevins is actually a jewel thief whos lifted diamonds from wealthy passenger Arthur Condrax She needs Lash to aid in sneaking the ice ashore at Singapore Cocky is Lashs concertinaplaying buddy and uses it to signal Lash