The story opens in a den of crooks. The gangsters are pinning a big job for that night. In a big city bank, Ann, a stenographer, closes her desk and leaves for home. Later, toward night, the night watchman sees that everything is securely locked and settles down for his night's sleep. The crooks are seen sneaking through a street near the bank, and finally reaching their destination, proceed to effect and entrance into the institution. At home Ann discovers a great loss and decides she must have left her valuables on her desk at the bank. In the meantime the crooks have succeeded in opening the safe with their manicure set and blowing open the inner doors with their bellows. The girl arrives at the bank, but there discovers that everything has been removed, even the carpets, leaving nothing but the sleeping watchman. She realizes that to recover her loss, she must locate the desk. A brilliant idea strikes her and she decides to turn the case over to Detective Hugo Tell, her sweetheart. He is delighted at the idea and immediately puts his keen-scented hounds on the trail. They all visit the bank together, but can find nothing of the robbers. Ann tells Hugo if he will but locate the desk and her great possession she will marry him, so he redoubles his efforts. With the assistance of the entire police department, all its five men, and the ever-ready hounds, which consist of every breed in the town, they come to the den of the crooks, where Ann, to her great joy, finds her desk and under it, in the exact spot, all undisturbed, her precious gum. Hugo comes for his reward and the happy girl falls into his arms, chewing her beloved gum to her heart's content.
—Moving Picture World synopsis