Ultraman Cosmos is a calm and gentle alien of unknown origin who seeks to protect Earth. Unlike most Ultramen, Cosmos is a pacifist and prefers to resolve his disputes or disagreements by the way of peace.

A hard-working section chief, fast approaching retirement and beset by stress from all directions, joins a jazz band and reignites his youthful passion for the music, giving him a chance to set things right in his life.

When a major bank is caught paying off a corporate extortionist, the media and prosecutors begin to dig, breaking open a money-and-favours scandal that threatens to rock the entire structure of business and government to its core. While the bank's top executives continue to vacillate, a quartet of middle-management reformers, led by straight-arrow Kitano (Koji Yakusho), decide to stage a boardroom coup and install a new, clean management team. With the aid of a hotshot news anchor (Mayumi Wakamura) and a hard-nosed prosecutor (Kenichi Endo), heads begin to roll.