Watch 4/20 Massacre (2018) HD Full Movie Free on solarmovie.do. Watch 4/20 Massacre (2018) online free. Five women go camping in the woods to celebrate a friend's birthday over 4/20 weekend, but when they...Five women go camping in the woods to celebrate a friend's birthday over 4/20 weekend, but when they cross the turf of an illegal marijuana grow-operation, they must fight to survive the living nightmare.