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。。During the 1977 El Salvadoran presidential election, public unrest is at an all-time high over fears of election fraud. In the midst of a Marxist-Leninist guerrilla insurgency by the Farabundo Martí National Liberation Front, the anti-communist military dictatorship uses death squads to abduct, torture and "disappear" anyone who speaks about their terrible human rights record. ...。