“Maybe I'm a philosophical person—the crucial question is: how deep can a person dive with a single breath?” Termann is a free diver. He's come to the island, accompanied by journalists and his crew, in hopes of setting a record. The pressure mounts as the dive approaches, but Termann must remain calm. When the Heart Drowns in Its Own Blood delves into the psyche of a high-performance athlete as he pushes his body and mind to the limits of human ability.