一个名叫格兰特的船长被困在南纬37线的某个地方。船主格伦纳凡为营救格兰特多方求助未果，在格兰特船长的儿女玛丽和罗伯特的请求下，毅然决定驾自己的邓肯号出航寻找。。No exact release date has been set yet, although in a reply to somebody asking on social media, Netflix’s Polish account confirmed the return will be in the Fall of 2025.。