I'm not entirely sure specifically which 'blood and water true story' you are referring to. There could be many stories related to this title. It might be about family relationships where blood relations and the closeness of water (which could symbolize friendship or other non - family bonds) are explored.
The 'Blood in the Water' is often related to the 1956 Melbourne Olympics water polo match between Hungary and the Soviet Union. It was a very intense and politically charged game. Hungary was facing political unrest due to Soviet influence at that time. The match became a symbol of Hungarian resistance, and the aggression during the game led to the term 'Blood in the Water' as players were literally bloodied in the pool.
Well, 'Blood and Water' is indeed based on a true story. This fact gives the story a sense of authenticity. It allows the viewers to connect with the characters and their situations on a deeper level, as they might be inspired by real people who have faced similar challenges.
I'm not sure specifically which 'Capsized Blood in the Water' true story you are referring to. There could be various events with such a name or description. It might be about a boating accident where there was blood in the water after the boat capsized, perhaps involving some sort of struggle or danger to those on board.
Since I don't know the details of this particular story, I can't say for sure who the main characters are. But they could be the crew members of the capsized vessel.