The sisters Bandi, owners of a famous candy factory, are facing one of its worst moments. However, the arrival of the new driver, Marcos, will change the fate of Bandi, at all possible levels.
Yago is a 28 year old tough and rude young man raised in the jungle of north Argentina by his father who taught him how to survive in such a wild environment. Although he can read and write, Yago has given up on being educated. Morena is a Peruvian girl in her 20's who has studied in New York and is financially independent. Unfortunately, she's not so lucky in terms of love since she's always picked the wrong man. Morena travels as a tourist to the Iguaçu Falls in the middle of the jungle where she meets Yago. They have a love affair but their relationship doesn't work out because of their marked social and personal differences. She then flies to Buenos Aires to search for her grandfather and in the meantime she gets a job at company called Sireno. At the same time, Yago learns that the man who raised him is not his actual father and that his real family name is Sireno. He travels to Buenos Aires intending to trace back his real family only to find Morena once again.
The return of Lucas tells the story of a well-off family who loses his eldest son, Lucas, 4 years old on the beach. Elena, his mother, is obsessed with finding him because he feels he is alive and never stops looking for him, neglecting his other children, Catalina and Juan, and her husband, Reynaldo, who took charge of the family and the company.
After 20 years of the disappearance of Lucas, a photo of his son arrives at the mother's hands. A new track to follow that renews Elena's hopes of finding her son. Until one day, a young man shows up at the house of the Diaz Ayala family claiming to be Lucas. Will he be his lost son?