The film explores everything having to do with the health, disease, and mechanics of the heart, featuring striking vintage footage. The accomplished writer John Kieran narrates as scenes having to do with health and exercise, including men doing construction work and running in a race, illuminate the screen. The film offers many tips on how to achieve heart health, including warming up before running and avoiding sudden activities. In the spirit of exploring all aspects of the heart, a woman is shown having a heart attack. Overall, this is a phenomenal vintage movie about the heart and how important it is.