The video shows a person riding a mountain bike through a forest. The rider is wearing a helmet and is following another person who is also riding a bike. The forest is lush with tall trees and green foliage. The trail is narrow and made of dirt, with wooden planks laid out to create a path. The rider skillfully maneuvers the bike over the wooden planks and around the trees. The video captures the thrill and excitement of mountain biking through a natural forest setting.