Watch Unstable for Free: How to Stream the Movie Online at 123Movies. . Kristen and her son Oliver have just moved into a gorgeous new neighborhood. Recently divorced, Kristen is anxious to help Oliver adjust to the new life and environment. They meet Justin, a handsome and intriguing ex-soccer star who wows Kristen with his good looks and fun-loving spirit. Despite warnings from her ex-husband Jason, she hires Justin as a caretaker for Oliver and offers to let him live in her guest house. But Kristen is being stalked by someone who knows she is new to the neighborhood. Strange and dangerous things begin happening and no one can be trusted. Did Kristen make a big mistake letting Justin into their lives? As an intricate web of lies and deceit unfolds, it's up to Kristen to protect herself and her family (mylifetime.com).