Watch Ash and Bone for Free: How to Stream the Movie Online at 123Movies. . The film follows a rebellious teen named Cassie Vanderbilt, whose wild streak escalates as her caring father Lucas decides to take her and his new wife Sarah out of the city for some bonding and quality time together. But after Cassie crosses the infamous McKinley family, it becomes clear that sometimes danger lies hidden in the weeds, ready to strike at any moment.