Simon Hardman is back in the sequel Old Tides. He finally feels like he has won life's lottery. With his home on the western tip of the Choctawhatchee everyday is just another day in paradise. His daughters are now living with him and their mother has accepted his marriage proposal. Paradise is interrupted when two of his closest friends are brutally murdered. It doesn't take Simon long to understand someone is out for revenge and that the past can never be hidden for long. The brother of a man Simon killed has tracked him to Fort Walton and wants revenge. It all comes to a head in the middle of a thunderstorm on a small island located in the middle of Biscayne Bay.