背景设置在美国麻萨诸塞州鳕鱼角，女主角Jackie Quinones（Monica Raymund饰）是名美国国家海洋渔业局官员，她在当地沙滩上发现了一具尸体，后来尸体被证实是因鸦片类药物而受害，Jackie因而开始着迷于解决此谋杀案。

A dangerous game, full of traps. A dispute of power, money and desire. On one side of the board, delegate Giovanna Torres, on the other, the wife of a businessman, Maya Manoela. In this game, only one will fall. Who will give Checkmate?