Trigger (2019)

In this gripping chamber thriller set in a secluded mountain-top home, Andy is a single mother who was widowed in a harrowing roadside stop gone wrong. She suffers from crippling anxiety as a result of the incident, and cares for her young son while retreating from the outside world as much as possible. When her home security system suddenly malfunctions, her therapist recommends a repairman that he thinks will be sympathetic to her needs. Her anxiety is triggered and reality begins to dangerously blur when she finds reason to believe that he has plans to kill her and her son.