Jéssica is a simple young woman, dedicated to her job at an antique shop in Rio de Janeiro, but she feels her life lacks purpose. Everything changes when she finds a mysterious locket identical to an item she inherited from her late mother. Driven by the desire to understand the connection between the locket and her family history, Jéssica teams up with Gabriel, a distant relative who appears unexpectedly.

Marcos is a photographer. He looks for moments "between" a kiss and a smile, a beginning and an end. When he arrives in a small country town in the south of the country, he meets Paula. She didn't like being photographed until she met him.

Based on the book by Cris Souza Fontes, Apaixonada tells the story of a woman who realizes how monotonous her life is. She finds herself desperate and facing an identity crisis. From then on, she is forced to begin an exciting journey of self-discovery that takes her close to all the passions that life has to offer.