An upper-class female reporter is (despite herself) attracted to a hulking laborer digging a tunnel under the Hudson River.

A waitress falls for a foreign businessman (Mohr), while receiving attention from a pair of motorcycle cops, Curtis and Defore. She soon realizes that Mohr is actually a crook and…

When the elderly woman sponsoring a treasure hunt is murdered on board her docked ship, Charlie Chan must deal with a treasure map in four pieces, the ghost of a…