"It's a beautiful day for a regatta - until one of Sandhamn Island's most prestigious residents is killed aboard his sailing yacht. Oscar Juliander was a rich lawyer and deputy chairman of the prestigious Royal Swedish Yacht Club. While at first his death seems like a tragic accident, there is evidence of foul play. Police detective Thomas Andreasson teams up with local lawyer Nora Linde to investigate. As they work to uncover clues, they face resistance...