Season 17

The story begins when the Ruling Elder of Harappa Land sent a few of his robotic people to seek out the sacred treasure of their kingdom: The Landtool. Two such robots, Robotack and Kamerock, arrived to a place called Yumegaoka. It was there that Robotack befriended a boy named Kakeru and aided the boy's uncle, Kaoru Sugi, in his Private Investigation business. But also on the quest for the LandTool is DarkCrow and his lacky Kabados, who were exiled and intend to make money off the LandTool.

平和な夢が丘の町に現れたイヌ型ロボットのロボタック。彼の目的は祖国・ハラッパ国を救うというアイテム「ランドツール」を探すことだった。シャードック探偵社で働く羽目になったロボタックは、探偵社社長の杉薫や、その甥・雪柳カケル少年ら「夢が丘少年探偵団」と協力し、シャードックのライバル・ゴールドプラチナ社夢が丘支店のダークロー一味を相手に、ランドツール争奪戦を繰り広げる。