Lucy looks forward to starting a relationship with Andrew Nayloss but he has not come back from summer vacation yet. She dates Robbie's cute brother, Ronald, disappointing Andrew Nayloss who still has feelings for her. Mary becomes indebted to Lucy after accidentally giving her a black eye. Lucy gets upset when she takes the twins to the promenade only to realize that the majority of the public there thinks she's a downtrodden teen mother, and that they're her sons. Her and Mary are upset when their boyfriends won't call back. Lucy wants to see a guy instead of doing community work, and gets rejected by her fellow Habitat for Humanity volunteers when she gets caught on her date in the pool hall. Lucy is disappointed when her date expects her to be “the man”. A classmate wants her to make some secret changes in the computer system after learning she works in the attendance office. Lucy finds a direction in her life with her interest in Habitat for Humanity, after taking her father's advice. Mary and Lucy are desperate to get out of the house and later get in a car accident with Ted a man who was drunk driving. While waiting for her mother to give birth, Lucy questions her feelings for Jordan ultimately ending the relationship. Lucy lived in agony when her parents temporarily forbid her from using the phone. She goes out with a freshman that has another girlfriend. Mary doesn't approve of her new friend Nicole who she believes is responsible for Lucy’s sinking biology grade. Lucy blackmails Matt into taking her to a restaurant to meet some friends but on the way there her friend gets into a car accident and dies, and she feels its her fault. She faces a tough decision when her ex and current boyfriend are flighting for her affection, but she comes to the conclusion that they all need time to think and just stay friends. Lucy and her friend Shelby get invited to a popular girls sleepover but gets humiliated by her ex’s new girlfriend. She finds a joint in Annie's dresser and she and Mary suspect their parents are “stoners”. Lucy broods over the fact that Jimmy Moon is now dating her rival Ashleigh. Lucy starts her first year of high school where she attends with Matt and Mary. Simon convinces her that she would look good with a blonde hair but it doesn't come out as good as she thought it would. She makes Mary tutor Jimmy Moon but her overactive imagination thinks that Mary is hitting on him. Lucy worries that something might be wrong at her best friend Suzanne’s house and asks her father to check it out. Lucy has a hard time connecting with her grandparents, “The Colonel” and Grandma Ruth. She wants to make it onto the cheerleading squad and isn't thrilled with Mary’s lack of support. Lucy fears that running against Jimmy Moon for class president will harm their relationship. While babysitting Simon and Ruthie, she loses track of them, because her and the "cool girl" are to caught up with boy drama. As Halloween approaches Lucy uncovers the truth about a neighbor who is actually a really nice person, even though there are rumors saying he killed a child.
Lucy is having a hard time coping with her grandmother’s death. She really wants to have her first kiss with him, but they can't seem to have a moment alone with everyone watching their every move. She has a new crush, Jimmy Moon and can't wait to tell everyone about it, they soon start dating.
Lucy is desperately trying to become a woman and worries she won't ever get her period like all of her friends, but nature eventually takes it's course and she becomes a woman.