六角琴

　　After serving two years on a military outpost in the middle of an ocean – four soldiers are waiting for a new crew to replace them. When the long-awaited boat finally appears, it’s empty with no relief on board. When trying to find out what happened to the boat and the missing crew, they realize they’ve lost all communications with home. Cut off from the rest of the world and no one coming to get them, Baines, Sullivan, Cassidy and Hendryx must fight with suspicions about each other and find a new way to get home. If home still exists.

　　

　　大石刚介（三船敏郎 饰）升任关东同盟理事长，与中岛组佐仓一诚（佐分利信 饰）势均力敌，维持着表面的和平。但日本政界要员大山喜久夫（片冈千惠藏 饰）因癌症病倒，几乎再次点燃两派战火。大山幸得一宫恭夫（高桥悦史 饰）医治死里逃生，因此号召帮派联合，遭到两派抵制。　　此时塞班岛开发项目成为抗争的导火索。中岛组干部川西（菅原文太 饰）为筹措资金，强令木村建设破产，并将木村之女献给保守党要员刈田（西村晃 饰）。另一方面，大石拉拢刈田的儿子春男入伙，作为特使赴塞班岛向美国官员行贿。大山暗示佐仓除去大石，一场搅和了黑帮、政客、外国人的纷争就此展开，而佐仓似乎也朝日本首领的目标又迈进了坚实的一步……