At her going-away party, Dick meets Sonja Umdahl, Pendelton's conservative and painfully shy research librarian. He's immediately attracted to her intellectually, and it's apparent that they could spend hours happily discussing topics that Mary has no interest in. Both Sally and Officer Don become painfully aware that what attracts her most about him is his uniform. Dick takes Sonja home from the party and tells Mary later that they stayed up all night talking. He's astonished that Mary would ever imagine that they might have had sex. All the same, Mary confronts Sonja and makes it clear that Dick belongs to her, as Sonja meekly tells her she understands. But when Sonja gets Dick alone in his office, she turns into a tiger woman and attacks. It's impossible that the attraction isn't mutual, she tells Dick. He is taken aback at what he's unleashed in this mousy woman. Later he goes to her house to apologize for misleading her, but Sonja's ready for him as she tries to seduce him with...