Because James, a mounted policeman, is too poor to marry yet, his sweetheart, Mary, gets a position secretly taking in bundles at a laundry. But one day the police officer comes to the place with his own bundle and, seeing Mary behind the window, is offended and goes away without speaking to her. That same afternoon an Italian chances to cast greedy eyes on pretty Mary. He goes into a saloon nearby and later, in a tipsy state, reaches for his laundry bundle to find that it contains celery. Someone in the saloon has exchanged bundles with him by mistake. However, in his befuddled condition, he goes back to the laundry branch to put the blame on the girl. Mary is just counting the money. He attacks her and she defends herself as best she can. Remorse, meanwhile has overtaken her policeman lover. He calls up to ask her forgiveness and when the receiver is knocked off the 'phone by the Italian in the scuffle James hears the commotion and gallops to the rescue. Some brother officers hurry to his assistance. The Italian is arrested and James, who had believed Mary lacking in spirit and proper pride, discovers that she is a heroine.'
—Moving Picture World synopsis