Pokes, the porter in an office building, has several times by his acts of omission incurred the wrath of the superintendent, but each time he has been forgiven and granted another chance. Finally, after a clash with Jabbs, a new tenant in the building. Pokes is discharged. Securing a position as book agent, Pokes is filled with one ambition to sell a book to Jabbs. Stalking his intended victim like a jungle tiger, Pokes becomes Jabbs' shadow and haunts him in both his working hours and in his dreams. No matter how often Jabbs and the Superintendent throw him out from the office. Pokes turns up in the most unexpected manner, until Jabbs, in a frenzy, decides that the only way to rid himself of the pest is to buy one of the books. Having made the purchase, Jabbs returns home, secure in the belief that at last he is safe from Pokes salesman's urgings, but to his horror finds not only the members of his family but even the butler the proud possessors of the despised books.