Watch The Tunnel (2019) HD Full Movie Free on SolarMovie. Watch The Tunnel (2019) online free. When a truck crashes inside a tunnel, people on their way home for Christmas are brutally trapped in...When a truck crashes inside a tunnel, people on their way home for Christmas are brutally trapped in a deadly fire. With a blizzard raging outside, and the first responders struggling to get to the accident, it's every man for himself.