A yacht in the English channel is helped to port - when the police arrive there are no crew, no papers and no clues. What is the mystery of the ghost ship?A yacht in the English channel is helped to port - when the police arrive there are no crew, no papers and no clues. What is the mystery of the ghost ship?A yacht in the English channel is helped to port - when the police arrive there are no crew, no papers and no clues. What is the mystery of the ghost ship?