In a magical Smurf Village inhabited only by male Smurfs, Smurfette, the only girl, struggles with her identity, having been created by the evil wizard Gargamel from a lump of clay to cause discord among the Smurfs. After an extensive existential crisis, she wonders what her purpose is among her blue peers. Her curiosity is piqued when she encounters a mysterious creature that leads her to believe there might be more Smurfs beyond their village. Smurfette, along with her friends Brainy, Clumsy, and Hefty, embarks on an adventure through the Forbidden Forest, an enchanted land filled with magical creatures, to find a lost village before Gargamel does.

Gargamel, obsessed with capturing Smurfs to extract their essence for his powerful magic, discovers traces of the lost village and sets out to claim it. The four Smurf adventurers face various challenges and uncover secrets deep within the forest. Their journey is rife with danger, excitement, and discoveries that could change the Smurf's understanding of their own history. They work to stay one step ahead of Gargamel while forging a path toward the fabled village, unaware of the surprises that await them.