A lonely retirement home resident obtains a magical ring on her 75th birthday which grants her wish to again be young. Awakening the next morning she finds herself to be 40 years old again. She leaves the home and takes a position as a housekeeper for her daughter, who does not recognize her.

After de-bunking her philandering spouse's deceptions, Jodie Colter accidentally stumbles onto the murder case of a former homecoming queen. She quickly finds that her natural snooping skills, honed on catching her cheating husband, can be put to even better use by bringing a killer to justice. With her children in tow, she pieces together the clues that prove the homecoming queen's canny lawyer husband is a murderer.