when olivia villalobos finds a bloodstained love letter she endeavors to deliver it before chief inspector sedeo finds it in her possessiona city along the southern coast of puerto rico emerges in the aftermath of the spanishamerican war olivia daughter of a drunkard police investigator who never knew the truth behind her mothers disappearance finds a bloodstained love letter in the hidden compartment of her fathers coat convinced it belonged to the man recently found dead she sets out to deliver it to the labyrinth of love letters a mysterious place believed to be an urban legend where the transients of forbidden love leave missives for one another she enlists the help of isaac quintero to find the labyrinth and they soon realize their quest has opened the door into old siennas darkest secretsthe perils madness and depth of tragic love