Dr. Eve Lockhart and her team from there body farm investigate the death of Connor Ryan who is found floating in the sea. He was out on the sea with his sister Susan who was replacing her husband Rob Fay who had too much to drink the night before. With was the man who hired their boat, Tom Wilkes, a marine geologist who was collecting soil samples from the seabed. Lockhart's examination of Ryan's remains reveals that he was dead before going into the water. Initially, DI Hale thinks they were involved in some type of smuggling but there's a far more complex criminal scheme going on, one that will cost several lives.
—garykmcd