The video shows a leopard and a lion in a dark forest at night. The leopard is seen attacking the lion, which is lying on the ground. The leopard is biting and clawing at the lion's neck and back. The lion is trying to defend itself but is unable to get away from the leopard's attack. The forest is dark and only the animals are visible in the light. The leopard's fur is spotted and the lion's fur is tawny. The leopard appears to be the aggressor in this encounter.