When an old friend, a romantic interest of Shirley's, Richard Lawrence, comes to town he brings his 11-year-old daughter, Julie. Julie is a Partridge fan and everyone teases Keith, being sure Julie will be groveling at his feet during the visit. When the Lawrences arrive, it seems that Julie's affections are not lavished on Keith, but on Danny! Julie spends all her time following Danny, while Danny spends all his time trying to hide from her. When Shirley tries to tell Richard that Julie is a bit too aggressive and Danny is not ready for this, Richard reacts like a wounded father. Laurie and Keith ask Danny to be nice to Julie for just a few days, in order not to ruin Shirley and Richard's relationship. Danny reluctantly agrees, and when he tries it, he finds he really does like Julie. When he gives in to a sudden urge to kiss her, Julie reacts by giving him a black eye! This doesn't make any sense at all to Danny so he goes to the """"older folks"""" for an explanation. When Keith and Lau (thetvdb.com)