A puppet mouse appearing and interacting with a couple watching TV.

The video opens with a couple sitting on a couch, eating popcorn and watching TV. A puppet mouse appears and offers the man a box of Expec syrup. The scene transitions to an animation of the human respiratory system, highlighting the lungs and trachea. The mouse reappears, and the couple is shown again, with the Expec packaging prominently displayed. The ad concludes with product shots and text emphasizing the brand's benefits.