Reagan Prefontaine anticipates a great week of diving off Tulum while visiting her brother. When he turns up missing, it mobilizes Reagan's passion to find answers . . . at all costs.
One memorable dive following an unprecedented tropical storm changes the trajectory of her life. Something gold shimmers in the distance. A mackerel? The tank of another diver? What she discovers will weave together the lives of two young girls born centuries apart.
The mysterious mark on her arm draws curiosity from some, concern from others, and malicious machinations from organized crime.
