Brian Miller is an altruistic young doctor from a wealthy family who leaves it all behind to open a clinic in rural Mexico. One morning a barefoot boy knocks on his door and takes him into the mountains to help a midwife deliver a baby. This disturbing event leads him on a path to uncover its cause where he encounters cultural clashes, confronts local superstitions, and ends up shaking his own scientific beliefs. The story unfolds through interactions and unlikely friendships with simple people living in the backdrop of ancient ruins and beliefs. Curiosity leads him to discover social injustice, his life is threatened, and ultimately he comes face to face with himself.