Saboteur is a 1942 Universal spy thriller film directed by Alfred Hitchcock with a screenplay written by Peter Viertel, Joan Harrison and Dorothy Parker. The film stars Priscilla Lane, Robert Cummings and Norman Lloyd.
The saboteurs reach New York but find the phone at their office disconnected, indicating the police are on to them. They meet with New York dowager Mrs. Sutton Alma Kruger and other conspirators at her mansion, during a grand society party. Kane finds the captured Martin, who was betrayed by a corrupt sheriff. As Kane attempts to signal her to escape, Tobin arrives. He recognizes Kane and exposes him. Tobin has Kane knocked out and locked in the mansions cellar. Martin is imprisoned in an office at Rockefeller Center. The next morning, Kane triggers a fire alarm at the mansion and escapes. Martin drops a note from the office window, which is found by some cabdrivers.Kane reaches the Navy Yard, but only a few minutes before the launching. Rather than wait to explain to the Yard authorities, he rushes out to search for the saboteurs. He spots Fry in a fake newsreel camera truck, prepared to blow up the slipway during the launching. Their struggle prevents Fry from detonating the explosion until seconds after the launch of the USS Alaska battleship. Note ........
Source: Wikipedia