Watch Relentless (2020) HD Full Movie Free on solarmovie.do. Watch Relentless (2020) online free. Jen is living alone in a half-empty house, struggling with depression and how to deal with the hand ...Jen is living alone in a half-empty house, struggling with depression and how to deal with the hand life has dealt her. A freak accident has her locked in the basement as a major thunderstorm begins flooding the house.