David and Donna visit her paternal grandmother, Celia Martin, who tells them the story of her husband who was the only one true love of her life during the 1940s. Meanwhile, Valerie meets and befriends Rob Andrews, a young and new rising actor in Hollywood. Kelly befriends an 11-year-old boy, called Joey, she finds camped outside her apartment, whom she suspects is a runaway. Also, Steve asks Brandon, Tracy and Clare to help him with filming an infomercial as a class project and literally gets into a sticky situation regarding the product's true nature.

Mariah Murphy, the young black girl Brandon met in Texas ('Remember the Alamo'), who's now an aspiring writer, arrives in Los Angeles for a visit and her quick kinship with Kelly bothers Tracy. Meanwhile, Rob's new movie is released, which earns great recognition for his performance, but bad reviews for whole movie which makes Rob wonder if the movie business is really for him. Valerie worries that she'll lose Rob when he tells her that he wants to quit the entertainment business and move back to his hometown. Clare has a crisis when her computer breaks down while she's writing a term paper, which leaves her no time for Steve, who goes to Rob's movie premiere solo. Also, David goes nuts trying to plan a special anniversary dinner for Donna.