In The Heart Of The Sea: Good / Great
Herman Melville (the author) pleads with Thomas Nickerson, the last remaining survivor of the sinking of the whaling ship Essex, to tell his tale of the event, one he has painfully kept to himself for decades. Nickerson finally concedes, and recounts the day that a new, entitled captain, his veteran first mate (the two at odds from the get-go,) and the crew of the Essex were attacked by a giant sperm whale, and left the surviving crew stranded at sea in whaleboats for months. Eventually, "things" had to be done to stay alive in the hope of rescue.
Good movie. Apparently it was a 2015 flop, but I really enjoyed it. It has a slow build, and the whale isn't featured as much as I'd expected for the sheer potential spectacle, but I think it was a wise choice given it's based on true events, and not merely a monster film where 20 guys on dinghies could actually withstand constant attacks from a creature that could capsize and kill them all at any moment were its malicious intentions deliberate. The biggest lesson for me is that this story was the inspiration for Melville's Moby Dick; I had no idea it had roots in reality.