The video shows a man in a gym doing sit-ups. He is lying on his back on the floor, wearing black shorts. The man is doing a series of sit-ups, lifting his upper body off the ground and then lowering it back down. The gym is equipped with various exercise equipment, including punching bags and weights. The man appears to be focused and determined as he continues to perform the exercise. The lighting in the gym is bright, and the floor is made of gray carpet.