Former model Maddie Hayes goes broke and finds one of her few remaining assets is the Blue Moon Detective Agency she is tempted to liquidate it until she meets the quirky employees

Maddie and David are two offbeat private investigators who discover revenge and terror when they come to the aid of a man searching for a grown son he hasn't seen in years.

Maddie and David try to track down a leak of industrial secrets, the unlikely detective team becomes involved in a bizarre and dangerous caper, complete with a psychic.

Unconventional detectives Maddie and David take on an intriguing case when they launch an investigation into the bizarre on-air murder of a late-night talk show host.

When Maddie and David unexpectedly join their office receptionist, Ms. Dipesto, on a murder mystery train trip contest, they find themselves on the trail of a real-life killer.

Maddie and David are led into dangerous international intrigue when they become involved with a collection agency, and find a debtor who has cashed in his chips -- permanently.