Cecilia (Eileen Abad) and Beto (Ricardo Bianchi) discover that their love may be marked by a dark secret from their past. Cecilia, a humble, studious, and free-spirited girl, and Beto, a passionate, charismatic, and sensitive young man, meet at a restaurant when she is dressed as a hamburger. From this peculiar and fun encounter, they develop a special connection that eventually transforms into a deep and sincere love. However, their happiness is threatened when speculation about a possible family link between them begins to emerge. At the heart of these speculations are the mysteries and secrets of her parents, Cosme and Carmen. During a visit to Cecilia's house, Beto discovers that her father has another family, which deeply disillusiones him. Frustrated and confused, he decides to distance himself from his young love.