When May receives a letter from another girl telling her that Jack, her lover, is untrue, she dismisses him. Shep, Jack's beautiful collie, however, is suspicious of Jim Hallet, who, some way, he feels is responsible for his master's unhappiness. He trails Jim and steals another letter, written by Nell Borden. Jim's accomplice, which betrays the plot. This Shep brings to Jack, who then is able to convince May that trickery and Jim's jealousy are behind their estrangement. Meanwhile, Jim has schemed to enter May's house by night and commit a robbery, putting the suspicion upon Jack. But Shep, whom Jack has given to May, hears the thief. The noise of their struggle wakes May, who summons Jack and the police.

Little Helen, Mayor Southwick's child, straying away from an automobile party, gets lost in the woods. She comes to the house where the her father's political rival holds his secret conferences, and he orders his housekeeper to keep guard over the child while he motors to the city. His plan is to hold the child until her father has signed the bills he wants passed.

The simple story of a heroic dog that saves the day appealed to audiences (especially with a well-trained animal as attractive and energetic as Shep), and became a movie staple for generations.

A lonely little girl is befriended by Shep, a neighbor's collie. The girl meets an untimely death, leaving Shep behind.

Mr. and Mrs. Gladwin, a wealthy, childless couple, make the mistake of lavishing upon a dog all the affection and care which should have gone to some forlorn human being. The dog is not happy in his unnatural surroundings, and on the first opportunity, he runs away to the home of Mrs. Smith, the Gladwin's washerwoman, where he is in his element frolicking with Bobbie Smith's dog. When the Gladwins find him there, they see their error. They take Mrs. Smith and her boy home to live in their beautiful house, and the two dogs are given a kennel in the yard.

During the Franco-Prussian War, a violin teacher gets separated from his daughter. He spends years wandering across Europe looking for her.

While visiting General Forbes, a friend of his Daddy, Sonny Jim imitates the soldiers at the garrison and feels certain that he was cut out for one of them. The General tells him always to help a comrade in distress. Later, a convict escapes from prison and coming upon Sonny Jim playing sentinel, asks help and says he is a comrade in distress. Sonny Jim remembers the General's command, secures one of his father's suits, a large chicken and an apple pie, and finds the convict a hiding place in the cellar.

Sonny's daddy reads in the morning paper an article concerning the Pole, and explains it to Sonny, who unfortunately has been reprimanded for some trivial mishaps at breakfast and told that if such things happen again Shep will be sent away. In desperation he and Shep start out for the North Pole.

An old maid vies with a beautiful young student for the affections of an elderly professor.

John Kane, who is passionately fond of his sweet little daughter, has opened his house to a spinster cousin of his, who is alone in the world. Jane repays his kindness by secret envy and hate, and her chief passion in life is the hoarding of the money given her and counting it over and over. On the surface, however, she is suave and smiling. On only one thing does she palpably show the hate which settles within her; she detests Shep, the beautiful and intelligent collie dog belonging to Beatrice and the idol of her heart.

This twenty-three episode serial told the story of a secret society called The Black Hundred and its attempts to gain control of a lost million dollars.

Brought into contact with each other, Runa and Shep, a dog, become great chums. Their companionship is looked upon with evident interest and amusement by Runa's parents, who do not seem to be very greatly concerned for their daughter's childish affairs, leaving that entirely to her nurse.

Disgusted by the unsanitary conditions of the flat in which she lives, Patty Gordon, a pretty young artist, writes anonymously to John Richardson, asking him to investigate the conditions of his tenements. Plainly dressed, Richardson goes down to the tenements and rents an apartment for himself, so that he may see firsthand whether or not there is cause for complaint. He is accompanied by his dog, Dick, a valuable thoroughbred collie, who, seeing Patty's door open, enters and makes friends with her.

When Runa's big sister marries, she takes the little girl with her to the new home. Things go on smoothly for a time, but later, big sister and her husband are entertaining a great deal, and give a great many parties, and so, in consequence, haven't much time for Runa, who, left to the maid's care, feels rather neglected. One day she runs away and is lost in the woods. Shep, her faithful pet, follows and finds her unable to get up, as she has sprained her ankle. He hurries home, and although he barks loudly, no one heeds him, for all are out searching for the lost child. He manages to get into the harness of his little cart and drags it out to the child. She lifts herself into it and Shep takes her home.

Lass and her six little puppies are lying near the kennel upon the suburban estate of Mr. Jameson, the wealthy New York broker. Mrs. Jameson, his wife, is walking about the estate accompanied by her six months' old baby and its nurse. She stops and speaks kindly to Lass and her little family. Picking up one of the little dogs, she playfully puts it in the carriage with the baby and petting the little animal, returns it to its mother. She continues upon her walk. This same little puppy strays away from its little brothers and sisters and reaching the railroad tracks, it wanders into the next village, where it is met by a crowd of youngsters that are gathered about the station. They playfully abuse the little animal.

Ruth, a very nice young girl, is under the guardianship of her Aunt Jane, a straight-laced spinster. Ruth is in love with a young man, and every time her aunt catches her in his company she orders her home to play the piano. No sooner has the aunt left the room when Ruth runs out to her lover, leaving "Shep," their faithful dog, playing the piano. Edward is ordered out of the house, but "Shep" takes a note to him from Ruth, and returns with one, fixing a meeting place. "Shep," seeing no one in the room but the aunt, hides the note in the waste paper basket until Ruth comes. Because Ruth tears up the note without letting her see it, the aunt locks her in the woodshed. When the aunt brings Ruth her supper, she leaves the door open and Ruth, seizing the opportunity, rims away, while "Shep" slams the door, locking in the aunt. She manages to get out just in time to see a fast receding automobile, with the lovers and "Shep" in it.