Requisitos para ser una persona normal

Maria is 30 years old, she is a peculiar person and has one goal: become a normal person. But first of all she must discover what is exactly this. Which kind of person is she? Is she a normal person? What does exactly means? That question goes deeper into her mind. After she lists every requirements, she proposes to reach them. In that journey she will find her brother's help, Alex, a 25 years old boy who is mentally challenged and achieves every list requirements. She meets Borja as well, a boy obsessed with diets and lose weight. They will make a curious pact: she helps him to live an active and healthy live, and he helps her to meet her goal: become a normal person.