Lawyer White, of the firm of White and Goss, is the victim of a fiendish plan, dying as the result of a pencil so powerfully poisoned that when be moistened it in the course of his writing the effect was instantaneous. The mystery of his death is a baffling one, but Tommy Grant, with the aid of Myrtle, the stenographer in Lawyer Goss' office, succeeds in solving it and placing the blame on the shoulders of Goss. The latter suspects Myrtle and attacks her just as Grant and Detective Cadogan arrive to arrest him. Goss gains the upper hand and succeeds in escaping down the stairs, locking the door of his office on his pursuers. Grant rushes to the window just in time to see Goss leaping into the auto that Cadogan and Grant had arrived in. Without hesitating Grant leaps to the window ledge and through the air landing in the auto as it whizzes by. There is a struggle between the two in the car. Grant finally emerging victorious.
