When a young mother is brutally murdered in front of her newborn baby, and a policeman slain in the subsequent pursuit, Detective Isabella Garcia disobeys orders and leaves the streets of Miami behind as she sets sail on board an old wooden yacht called the Dirty Nellie. Never having been at sea before, and with the Nellie slowly sinking, Isabella must rely on the experience and skill of its captain, widower Patrick Brophy. Together they try to catch up to the killer who, she believes, has escaped among the crew of the Wild Rover, a large training catamaran captained by Brophy's unsuspecting...