A year after meeting and falling for a young, mysterious vampire, Dr. Brian Preston is now living and working side-by-side with Kyle Hayes for the agency guiding vampire-human relations at a secret underground facility. As the couple adapts to the demands of Brians career tending to vampires, Kyles return to school and the needs of their evolving relationship, a dangerous conspiracy puts everyone they know and everything they have been working for in danger.The sequel to Bleeding Heart, Tainted Heart is Book Two in the Mi Corazon Sangrante series.