In feudal Japan, gangsters chase a young girl who might testify against their boss. When the gangsters murder the girl's grandfather on sacred ground, the door is opened for the Yokai Monsters to step in.

Gamera escapes from his rocket enclosure and makes his way back to Earth as a giant opal from New Guinea is brought back to Japan. The opal is discovered to have been an egg that births a new monster called Barugon. The creature attacks the city of Osaka by emitting a destructive rainbow ray from his back, along with a freezing spray capable of incapacitating Gamera.

Unusual volcanic activity in Japan awakens Gyaos, a bloodthirsty flying monster with the power to slice things in half with an ultrasonic ray. While scientists and the military scramble to devise a way to stop this new threat, a young boy forms an alliance with Gamera; a monster no one else seems to trust.

尸体防腐员（简称EM），是专门对受到损伤的尸体进行消毒、防腐、修复以及妥善保存的技术工作人员，他们长年工作在黑暗密闭场所，甘于寂寞，尽最大的努力将尸体还原成生前的模样。美丽的村上美弥子（高島礼子 饰）即为防腐员队伍中的一员。
某日，17岁跳楼自杀的青年进藤由树（松尾政寿 饰）的尸体送到美弥子的工作室。最经过一番修复后，由树的头颅竟然离奇丢失。美弥子随即和平冈刑警（松重豊 饰）对可能的遗体买卖进行调查，慢慢地，他们将目标锁定在由树生前的恋人——高中女生筱原里香（三輪ひとみ 饰）。随着天才医生富士博士（柴俊夫 饰）和宗教组织大德院的介入，案情愈加扑朔迷离……

三轮家三兄弟自小便拥有痛苦不堪的经历，父亲欠债、母亲被讨债人强暴、父亲被小流氓打死。个中辛酸，谁人知晓。长大后，三兄弟各自拥有不同的人生：长兄秀志（岩城滉一 饰）表面上是事业有成、家庭幸福的实业家，暗地里却是秘密组织“日本黑手党”的干部；二哥隆志（木村一八 饰）是自卫队的干部，此刻正与妻子万里子（田村美保 饰）殷切等待新生命的到来；老三猛志（加勢大周 饰）是冷酷无情的独行杀手，他出手迅猛果断，人送绰号“闪电猛志”。
某天，黑道组织神州睦会总长岩井田良一（安岡力也 饰）被人刺杀，根据现场监控录像发现，凶手正是秀志的弟弟猛志。神州睦会干部剑持一行（遠藤憲一 饰）绑架了万里子以作要挟，愤怒的隆志调来坦克，与哥哥秀志一同闯入神州睦会总部。经过一番周折，秀志发现岩井田遇刺事件竟与“日本黑手党”的头目西肋硕舟（本郷功次郎 饰）有关，幕后的阴谋渐渐浮出水面……