The Key

Midlife Crisis: A loss of self-confidence and feeling of anxiety or disappointment that can occur in early middle age: Oxford Dictionaries

Martina Spencer hits her fortieth birthday and retires from the homicide department at Las Vegas PD. Along with her adopted K-9, Backup, she hits the road not knowing or caring where she'll end up.
Her adventures take her to Baton Rouge, Louisiana, where her life blossoms in ways she never imagined.