In Colombia during the seventies, a girl named Eva Samper arrives to revolutionize, in every way a school that was exclusively for men, so she is the first woman to attend high school in that school. Because she is the only girl in the whole school, Eva becomes the new sensation and all the boys want to go after her, because she is not only pretty, but also brilliant and good at almost everything. From the moment Eva arrives at this school she becomes friends with Camilo and his group of friends, who are quite inexperienced in social and relationship issues, so Eva will become their new guide and Camilo will not be able to avoid falling in love with the girl.Camilo will do everything to win Eva's heart and while this happens they both venture through the different facets of adolescence and experiences, which will make Camilo realize that the girl of his dreams keeps a big secret that will be crucial for his future.