Housewife & Detective(1999)

This comical suspense drama centers around Kaoru, a divorced female detective, and Hinako, a housewife married to a detective. Hinako can't keep her curious nature bottled and is constantly trying solve the cases her husband talks about at the dinner table. Kaoru inevitably sees what she is up to and tries to keep her from getting in the way, but sometimes the determined housewife suprises everyone with her simple observations!