The story follows Lena and her friends, who take up a challenge to train a black stallion at her grandfather's ranch. The characters are Lena/Nico/Angelo and Anna. Lenas Horse is Mistral/ Nicos Horse is Karamell/ Angelos Horse is Sila/ Anna's horse is Josephine they are all friends Lena and anna are best friends and Nico and Angelo are also besties. All of them are 15 but Lena is 14 and Angelo has a crush on Lena. And Nico has a crush on anna. Nico and Angelo are boys and Lena and Anna are girls