Stowaway.

On her first night as a dockside dancer, Mary Foster loses her job when she tries to fend of the advances of first mate Groder. On the street and being pursued by a Policeman who thinks she is a prostitute, Mary seeks shelter on an old freighter. She is soon discovered by second mate Tommy and they quickly fall in love, but with first mate Groder lurking around will their lives work out in the end?