A private detective, soon to enlist in the army, is drawn into one final case when his police officer father is killed in the line of duty. Soon his prime suspect is murdered as well, and he finds himself framed for the crime. As more witnesses get murdered, he finds himself on the run from both the police and former Prohibition violators who seem to have found a new racket.
You can now watch X Marks the Spot online on the following streaming providers in the United States.
| Directing | George Sherman | Director |
| Writing | Mauri Grashin | Short Story |
| Writing | Stuart Palmer | Screenplay |
| Writing | Robert T. Shannon | Short Story |
| Writing | Richard Murphy | Screenplay |
