A Fair Shake (1) - S7.E21

A bank is missing some money - not much, only $100,000. The baddy offers a plea bargain - she knows who stole $100 million. Now that's worth sending Cagney and Lacey to upstate New York to hunt down the bank president. But when they find him, they discover that the real bank president is gone, and that this is an FBI agent. Our heroines narrowly escape a shootout and get offered a promotion to Major Case Squad as the series ends