Valeria, a single mother, returns to school with her twins, Matthew and Sophia. There, she reunites with Alexander, with whom she had a romance five years ago. To get closer to her, Alexander hides his identity as a magnate and pretends to be a "black sheep." Amidst misunderstandings and unexpected twists, love blossoms between them. When it is discovered that he is the real father, the family of four is finally reunited in a sweet ending.