In the video, a person is seen using a ziplock bag to marinate a piece of meat. The person places the meat in the bag and then adds a marinade to it. They then close the bag and use their hands to mix the marinade into the meat. The person appears to be making sure that the marinade is evenly distributed throughout the meat. The video is shot in a kitchen setting, and the person is wearing a black shirt. The meat appears to be a cut of beef, and the marinade is red in color, suggesting it may be a mixture of spices and herbs.