The book tells the story of Rosa Maria, a Portuguese woman who finds her destiny in Brazil, and her eternal friend Maria Luisa, a very rich girl who fell in love with Tobias, a black slave. Both girls had to fight against prejudice, power and counted, because of this, not only with spiritual help, but also with the help of two old niggers, always by their side. It's a story full of suspense and emotion. Pain and suffering are part of the lives of the characters who, at the end, understood that the most precious good is friendship and loyalty, and that, despite everything, living is always worth it. After all, anything can happen, "When the past does not pass."