Retired CSA agent Cathy Davis is called in to help solve mysteries.

Frank Darnell, director of the Central Security Agency (CSA), is at a loss when Miles Crandall, the genius who writes top-secret satellite communication software for his Pentagon-contracted company, disappears from a private jet flight, apparently by parachute, over the desert. CSA vet Cathy Davis, who retired to be a mother to husband Jack ad their kids, is secretly called in to solve the riddle, ironic given her cover as game designer for the US Puzzle Co. They soon realize the escape was staged, the question remains by whom and why. Meanwhile, Nick an unpopular bright nerd runs for class secretary, his haughty sister Susan fails to join the cheerleaders.

The Declaration Of Independence is stolen while on display in a Los Angeles Bank. The NSA with the assistance of a puzzle slover Code Name Jane Doe becomes involved and solves the mystery.

Mob patriarch Louis Angelini--or, officially, his corpse--disappears from jail just before his gang is to handle a major arms deal in Panama, which may require his personal involvement. The CSA works out he escaped by faking his death and switching places, disguised, with ex-con Rocco Galletta. Angelini lawyer Armand Nordstrom was murdered and dumped in the woods. Suspects include Louis's gold-digger wife, the latest of many young floozies, his son and possibly discarded heir Joey Angelini, and ambitious lawyer-dealer Vincent Colabella. Meanwhile, Jack Davis discovers his wife kept secret for him many years, and the kids stress over a school talent contest.

72 hours before an important case in court, the prosecuter's wife is mysteriously kidnapped after plastic surgery. Jane gets 3 days to find her.

A famous mentalist who possesses the names of secret foreign agents in the middle east is about to give up this information to kidnappers unless a hefty ransom is paid within 24 hours.

Jane Doe investigates the murder of an international business mogul.

The CSA takes over from the police when a major defense contractor's CFO is murdered. According to the security video, only the CEO whom he was going to denounce his 17-fold stupid fraud to the board entered, yet he has a pretty convincing mayoral alibi. After a key witness is also murdered, while he's in jail, the only remaining possibility is a twin brother. Indeed he ignored being adopted by a wealthy couple, which then felt too poor to take his brother too.

Jane Doe sets out to track down a killer who is targeting fellow CSA agents.

Cathy and Frank partner with a beautiful insurance investigator in the recovery of stolen art. Frank is smitten with her, even though it becomes more apparent she may be the mastermind behind the theft.