An ex-con out for vengeance against a former District Attorney teams with the D.A.'s daughter, who's out for vengeance against her mom (the D.A.'s divorced wife) by faking his own death (the mom shoots him with a gun loaded with blanks), and then showing up time after time at the mentally unstable mom's favorite hangouts, and then promising to stop if he's paid off from the daughter's trust fund, which he and the daughter intend to share. Written by
Did You Know?
Soon Tech-Oh, who plays the blackmailer on this show, is reportedly in the cast of Cocoon, the pilot movie (it depends on which credit list you watch as to whether you will find his name). If correct, he is one of four Cocoon actors to appear in the 12th season (the others are Jack Lord, Khigh Dhiegh, and Andrew Duggan (Use a Gun Go to Hell, airing three weeks later). Lord and Duggan also appear in the Lord-directed TV-movie M Station Hawaii, which was filmed before Five-O's 12th season but aired after it when it didn't sell as a series. See more
Early in the episode, Joan Carter drops her daughter off at school. As she pulls away from the curb, a crewman holding a large reflective panel over his head is mirrored in the rear driver's side windows of the station wagon she is driving. See more