怪老爹又來囉！固執傳統、幾乎像個古人的怪老爹，每天都在尋找能讓他生氣的東西。這次，因為心愛的二手車就要退役了，他決定要踏上尋找替代愛車之旅！尋尋覓覓到了德國，過去的事件卻在此時找上門，怪老爹遇見 30 多年未聯繫的疎遠兄弟，本應單純的找車之旅，搖身一變成為治癒心靈的家庭和解之旅……。

The Grump prepares to die – everything is done and his wife is dead. He’s making his own coffin when the life walks in, all of a sudden. The granddaughter needs the stubbornness and wisdom of her grandpa. In return, The Grump gets a meaning for his life – and a big secret.

Four stories about Finnish life intersect. In the first one, drum artist Monkki Mähönen arrives for a renovation job at his old band mate's summer villa. Second story revolves around wannabe motorcycle gang and its leader Jouni who are being humiliated at a village shop. Thirdly in the 1960s, a star reporter Erkki "Likasanko" Sysimetsä starts writing a once in a lifetime story about the womanizing of Arvo Hakala, a pipe organ repair man. In the fourth story, a fantasy and sci-fi film director Kurt "Kurre" von Riikonen is looking for financing of his upcoming movie Excalibur IV with catastrophic consequences.