Courtney and Sydney Walker are sisters. Courtney is ex-military and now a private investigator. Sydney is young, and an electronics savant. A self-made billionaire. Their brother Samuel, was a police officer and was murdered on what seemed like a routine traffic stop. He left behind his wife, Samantha. Samantha is also a police officer, following in the footsteps of her father. Courtney, Sydney, and Samantha believe that Samuel's murder was pre-meditated...