When Stefan and Cecilia Rhodes stepped aboard the luxurious yacht Omertà for an exclusive dinner cruise, they expected an evening of elegance and fine dining. But as the night unfolded, they realized there was more here than met the eye. Shortly after Stefan returned from a mysterious meeting, Cecilia disappeared into the waters of California without a trace. Months later, a member of the Lexington County Sheriff's Department is called to a home for a welfare check; what he finds inside is chilling. Detectives Stone and Cross are dispatched to investigate what turns out to be a brutal murder. Not long afterward, the serene waters of Lake Murray became the backdrop for another chilling mystery as a deceased woman in an emerald dress was found floating in Lake Murray in the heart of South Carolina. Detectives Amy Stone and Raylon Cross are again called to the scene of the woman in the emerald dress. As they dive into the case, they uncover a web of deception, betrayal, and danger that threatens to consume them as they find a common thread linking the two cases. With time running out, they must unravel the truth behind why the woman in the emerald dress was silenced.