Jim, the apple of his mother's eyes, is the big-hearted galoot of a man and is sheriff of his small town. He is sweet on Nell, who he has known all his life. Just as he is about to propose to her, he finds out that he has missed his opportunity as Diamond Dan, a big city slicker, has already proposed to her, to which she's accepted.

While burgling a mansion, Blackie is interrupted by little Joey, who has been awakened from his slumbers. Blackie gently orders the kid to return to bed, but Joey refuses to do so unless Blackie helps him say his prayers. Thus is formed a strong friendship between Blackie and his "little pal," inspiring our raffish hero to rescue Joey's mother Rosemary Theby from a scandalous situation.

Ambrose (Mack Swain) is a clumsy, aspiring cook who finds himself in over his head when he is hired to work in a busy household or restaurant. Most of the humor stems from Ambrose’s spectacular incompetence in the kitchen. He misinterprets simple instructions, leads a series of messy kitchen disasters, and accidentally destroys various household items while attempting to prepare a meal. The situation typically escalates into a frantic "Keystone-style" chase or a massive physical confrontation involving food, dishes, and outraged employers or customers.

A woman has moved to a small town boarding house to seek peace and quiet. All too soon she finds herself in a Keystone movie, where there's everything but.

A child picked up on the desert by the cowboy hero is brought to town on the eve of prohibition enforcement. The child is put to bed and is laboring with the Lord's prayer when he sticks at "kingdom come." The cowboy goes into the saloon and asks if anyone there knows what comes after "kingdom come." He is greeted with much laughter and no information. A dancer who turns out to be the mother of the child, which has been living with its grandfather, repeats the words of the prayer, and the child goes to sleep in peace. A romance between the cowboy and the dancer develops.

His Lying Heart is a silent comedy short.

Cactus Nell