"The Last Summer of La Boyita" is a 2009 Argentine film directed by Julia Solomonoff. The story follows a young girl named Juli who spends her summer in a rural area of Argentina with her family. During her time there, she forms a close friendship with a local boy named Mateo, exploring themes of childhood, identity, and the complexities of growing up. As Juli navigates her feelings and experiences, she discovers secrets about her family and herself. The film delicately portrays the innocence of youth while addressing issues such as gender identity and the transition from childhood to adolescence, making it a poignant coming-of-age story.