Maya Stern is trying to come to terms with the brutal murder of her husband Joe. When she installs a nanny-cam to keep an eye on her young daughter, she is shocked to see a man she recognizes in her house: Her husband, whom she thought was dead. Detective Sergeant Sami Kierce leads the homicide investigation into Joe's death while grappling with his own secrets. Meanwhile, Maya's niece and nephew, Abby and Daniel, are trying to find the truth about their mother's murder several months earlier. Are the two cases connected?