Determined , versatile , eager and a little control freak , so Milagros Green Mili or as her friends call her . At twenty years has managed to become the best social worker in the country , researcher par excellence , author of many works and literature teacher , has raised its future a number of goals to accomplish, goals that , love has no place and falling in love is a waste of time . Romantic, cheerful , lover of extreme sports , so Cristian Owen , who at thirty- four years has managed to become one of the best clinical psychiatrists infant - juvenile addiction . Cris , as his friends call him , moved by the drug problems that afflict young people, creating a movement that works with drug addicts and toured prevention and rehabilitation around the world , not knowing that one of his many trips know Milagros and life will change completely.