The video shows a chef in a kitchen demonstrating how to slice an onion. The chef is wearing a white chef's uniform and is standing in front of a wooden cutting board. He is holding a purple onion and a knife. The chef begins by peeling the outer layer of the onion and then proceeds to slice it into thin pieces. The video is shot in a well-lit kitchen with a white refrigerator in the background. The chef's movements are precise and deliberate, indicating his expertise in the kitchen. The video is shot from a close-up angle, focusing on the chef's hands and the onion.