"The Enemy Strikes" is the fourth of 15 chapters comprising Dick Tracy's G-Men, a serial produced in 1939 and released in 15 minute cliffhanger style increments.
Tracy saves Latin American President Mendoza by reaching a spotlight on a barge and warning the President's yacht of dangerous rocks. The barge catches fire during a fist fight and Zarnoff's men, led by Robal escape while Tracy and his G-Men must swim to shore. Tracy investigates a salvage company that supplied materials to the gang and Zarnoff sets a trap to kill Tracy, with Robal luring him to a bunch of old barges in the harbor. An explosive trap fails to catch the G-Men and during a long chase and fight sequence Robal knocks Dick into the water as two barges move together, threatening to crush him.
Tracy saves Latin American President Mendoza by reaching a spotlight on a barge and warning the President's yacht of dangerous rocks. The barge catches fire during a fist fight and Zarnoff's men, led by Robal escape while Tracy and his G-Men must swim to shore. Tracy investigates a salvage company that supplied materials to the gang and Zarnoff sets a trap to kill Tracy, with Robal luring him to a bunch of old barges in the harbor. An explosive trap fails to catch the G-Men and during a long chase and fight sequence Robal knocks Dick into the water as two barges move together, threatening to crush him.