Watch Mystery Mansion (1983) HD Full Movie Free on solarmovie.do. Watch Mystery Mansion (1983) online free. Susan and her brother Johnny go to spend the summer with their aunt and uncle, where they discover a...Susan and her brother Johnny go to spend the summer with their aunt and uncle, where they discover a map that may lead to some sort of treasure. Susan had been having nightmares about a girl, Rachel, who disappeared in a nearby mansion, now old and abandoned. Eventually, Susan and Johnny, along with their cousin Billy, begin a quest to find the treasure, as well as th... Read all