Guillermo “Memo” Santos Pérez is a man of firm values ​​who makes a living driving his trailer. In addition to being loving to his family, he wants to make a home with Úrsula, a woman with a dark past to whom he has just proposed. Everything seems to be going well when Olivia, his ex-girlfriend, on the verge of death, confesses that they had a daughter and asks him to look for her at the home of Daniela Gallardo and Fausto Beltrán, Isabella's adoptive parents. Guillermo, willing to meet the girl, goes to the Beltrán family home, where he is mistaken for Daniela's new assistant, a classy young woman, successful as a landscape designer, but whose dream of carrying a child in her womb has been cut short. Little by little, Daniela and Guillermo begin to fall in love, but they decide to silence their feelings to respect their commitments as a couple. Both will face a journey full of difficulties, with the promise that one day they will walk along the paths of love with little Isabella.