This show was unique in that it was the first time that two basically average looking women played the leads in a TV show that was not about the fact that they were just average looking women. The show was also ground-breaking in that both detectives in the partnership were women - smart, capable women. Women had gradually been integrated into TV police forces over the 15 years prior to this series, but they were usually part of a crime-solving team such as on "Ironside". The balance in this show was not through the well-known old cop/young cop formula. Instead, both detectives were 30-something women. The contrast came in the form of their marital status and their personal situations. Lacey was married and a mother, and Cagney was single.

There was a pilot and six episodes during the 1981-1982 season starring an actress other than Sharon Gless as Detective Christine Cagney. In the 1982-1983 season the show settled into the dynamic that made it so popular and which most people remember.