In this novel written by Jessica Schiefauer, best friends Kim, Momo and Bella are having difficulty at school where boys (a gang led by Jesper) are bullying them, calling them names, even knocking Kim down in the hallway. They even verbally harass the girls in front of the gym teacher, who ignores it. Telling Kim to toughen up when she complains. Later, the boys even chase down Bella and pull off her top. After school, at Bella's greenhouse, they find a seed and plant it. In just that day, it grows into a large flower, as they discover when they return that night.
Another night they have a celebration and drink the nectar of the flower. Once back at Bella's house, they are changing clothes and as they change, they transform into boys. Amazed, they go out to the park and test the transformation. Bella and Momo are more cautious and reserved with their transformation, while Kim is finds the transformation liberating. All of them find that everyone, including Tony, a boy that is not part of Jesper's gang. Boy-Kim gets to know Tony and nets them an invitation to party at an abandoned warehouse next Wednesday. The boy-girls head home and while resting in the woods transform back into girls.
Back at school, the girls find they have a new-found confidence. Bella is able to flirt with a cashier and get him to let her buy beer. Kim manages to beat Jesper at rope-climbing, while Momo is able to stand up to Jesper in the locker room, daring him to hit her. When the gym teacher arrives to intervene, Momo admonishes her for taking so long to react to all the bullying. On Wednesday, once again transformed into boys, they go to the warehouse and party with Tony's group. They are offered marijuana. Boy-Kim manages it, but Boy-Bella coughs, inviting teasing. Boy-Momo and Boy-Bella decide to leave, but Boy-Kim chooses to stay, despite her friends insistence that she go. Boy-Kim pals around with Tony, helping him rob a business, and generally getting to know him
Sometime later, back to being a girl, Kim confesses to Momo that she has a zipper and if she could only be brave enough to pull it, a new body could be freed from her female form forever. Momo asks Kim to never leave her. Over the days, Kim, Momo, and Bella, manage to get Jesper and his boys to stop harrassing them. Momo and Bella, simply accept their new-found confidence as girls, while Kim still wants to transform into boy-Kim and spend time with Tony. Tony teaches boy-Kim to drive, and during the lesson, reveals that there is a gun in the glove box of the car, and he discusses the best way to use a gun to commit suicide.
The flower begins to die, and Bella and Momo want to stop taking the nectar and hopefully allow the flower to recover. Kim, however wants to continue with the nectar, clearly addicted. She even pulls out a knife, scaring Bella. And, Kim continues seeing Tony as boy-Kim. Afterwards, boy-Kim visits girl-Momo and they make out. Momo admits she loves Kim and tries to figure out if Kim is more into a gay relationship with Tony or a straight relationship. Kim doesn't know. Kim patches things up with Bella and Momo and promises to let the flower recover. However, she is addicted and can't help but take the nectar again.
Boy-Kim meets up with Tony again and attempts to kiss Tony, causing Tony to punch Kim, and threaten to burn her alive. Boy-Kim flees, and meets boy-Momo, who is willing to be a boy for Kim if that is what Kim wants. Boy-Kim runs off, with boy-Momo following. Boy-Kim arrives at the warehouse where Tony trying to rape a girl. Boy-Kim is enraged and kicks Tony over and over, severely injuring him as the girl he was raping runs off. Boy-Momo arrives and stops Boy-Kim before Tony is killed. Boy-Momo continues professing her feelings for Kim. Furious when rejected, girl-Momo burns down Bella's greenhouse destroying the flower with it. Kim is devastated. She packs a bag, leaves notes for her mother and Momo. She apologizes to Bella, and says goodbye. Bella gives Kim what is left of the plant (just roots). Kim drives off and parks in the countryside, where she cries and pulls the gun out of the glove box.
This book provides examples of:
- Addictive Magic: One girl who is hinted to actually be trans becomes addicted to the flower nectar.
- Fantastic Flora: A flower produces a nectar that causes humans to transform their sex.
- Gender Bender: The nectar from a certain flower causes three girls to transform into boys temporarily.
