This was their last scene together before she vanished. The next time he saw her would be his death episode. At this point, the producers had intended for Kim to be killed off for good, so Kim saying she would have the last laugh was the implication that Frank would ultimately be sent down for murdering her. Claire King and Norman Bowler had a superb acting dynamic as the warring couple, and Kim and Frank are definitely in the top 10 of greatest British soap couples.