It is 1898, the Spanish-American War is raging in the Caribbean, and the US Army is in the process of seizing Puerto Rico from the Spanish Empire. 24-year-old medical graduate Lieutenant Bailey Ashford has just been assigned to the invasion force's Medical Corps. Lieutenant Ashford quickly realizes that an ugly and utterly mysterious force is hard at work against an idyllic backdrop of majestic mountains and breathtaking tropical beauty. A bizarre malady is mercilessly affecting an overwhelming majority of the native jibaro people and slowly robbing them of their lives. Faced with an urgent, pervasive medical emergency, the charismatic and resourceful Ashford must draw upon all his cunning and medical knowledge to conquer the pandemic before it completely devastates the island. Based on true events, this is a tale of medical mystery, the tireless struggle to decipher the riddle, and the final restoration of an island nation to its lost destiny.