在蒸氣動力盛行的世界裡，居住在蒸氣都市的主人公少年偵探「鳴瀧」，在一次事件中結識了少女護士「周鈴鈴」，此後鈴鈴便成為鳴瀧的助手，兩人一同為了打擊犯罪者和協助警方而努力。
Theme Song Arrangement (OP, ED1), Theme Song Composition (OP, ED1)
Director, Episode Director (ep 20), Key Animation (ep 9, 26), Producer
Animation Director
Theme Song Lyrics (ED), Theme Song Performance (OP & ED), Inserted Song Performance
Storyboard (ep 17)
Key Animation (eps 2, 7)
Storyboard (ep 9, 26), Character Design, Animation Director (ep 1, 6, 9, 20, 26), Key Animation (OP)
Storyboard (eps 6, 14), Episode Director (ep 6)
Key Animation (ep 6)
Series Composition
Animation Director (ep 16, 23)
Animation Check (in-between), In-Between Animation (eps 1, 20)
Original Creator
Storyboard (eps 2, 7), Episode Director (eps 2, 7)
Key Animation (eps 5, 8, 11, 15, 20)
Episode Director (eps 4, 9, 14, 24)
Sound Effects
Key Animation (ep 8, 9, 25)
Key Animation (Production I.G, ep 4, 6, 23, 25-26)
Animation Director (ep 19), Key Animation (eps 10, 12, 19, 21)
In-Between Animation (ep 2)
Key Animation (eps 1, 4-5)
Color Design
Storyboard (ep 11), Episode Director (ep 11), Animation Director (ep 11), Key Animation (eps 6, 11)
Animation Director (eps 12, 21)
Key Animation
ADR Director, Producer
Producer
In-Between Animation (eps 16, 23)
Key Animation (OP)
Script (eps 2, 7, 10, 14, 23)
Director, Script (eps 4, 9, 13), Storyboard (eps 1, 26), Episode Director (ep 26)
Sound Director
Storyboard
Key Animation (OP, ep 5, 26)
Storyboard (ep 12), Episode Director (eps 12, 21)
Production Manager
Storyboard (eps 10, 19)
Animation Check (ep 22), In-Between Animation (ep 1, 4)
Key Animation (ep 23)
Animation Director (ep 14,22,24)
In-Between Animation (eps 10, 19)
1998年 季度排名 #1
1998年 動畫總排名 #31