Lisa develops a crush on bully Nelson Muntz. Even though she seems to know that Nelson can never really change his naughty ways, Lisa thinks she can help him be a better person. She tries her best, but Nelson's thug friends Jimbo, Dolph, and Kearney lead him astray yet again. Nelson gets busted for throwing cole slaw at Principal Skinner's house, but the bully tells Lisa he was framed. Lisa believes him at first, but stops liking him when she realizes he lied to her.