Two women across oceans and time: one haunted by a past she can't let go, one hunted in the past where letting go is the only choice. When Mercy connects with a handsome young visitor and plunges into the waters off Santa Catalina Island, it changes her forever. In 1587, Admiral Thomas Cavendish and his flotilla of marauding sailors catch wind of a Spanish Galleon laden with treasure and mystery. In Japan, the earth trembles and splits open as centuries of bloody history ripple into the present. Time and divinity collide, elusive as sea foam in Mercy's hands.