 The film premiered at the 2019 Busan International Film Festival, and was released in Thailand on 21 November.The film covers events of the 2018 cave rescue, focusing in turn on several individuals who contributed to the rescue effort, including water pump manufacturer Nopadol Niyomka, retired Thai Navy SEAL Saman Kunan, and especially, Ireland-based cave diver Jim Warny.The film was produced by Waller's Bangkok-based De Warrenne Pictures.