is a 2023 Norwegian animated comedy film directed by Will Ashurst. The film was produced by Heidi Palm Sandberg with Felleskjø, Kristiansand Dyrepark and Qvisten Animation. A sequel to Cattle Hill (2018) and Christmas at Cattle Hill (2020). A detective story very loosely inspired by some elements of Agatha Christie's universe, it was released in Norway on 3 March 2023 and in the UK on 20 October 2023. It was distributed in the rest of the world by New Europe Film Sales.

The land where Clara's father, Biff, has his farm has become sterile. Desperate to find a solution, he accepts his neighbour Paulina's invitation on the following day. They meet at Cattle Hill Station in the morning. There, a special Express train run by Albert, a pig friend of Paulina, takes them on a trip during which they are presented a special electronic seed that can solve the problem of fertility of any soil. During dinner on the train, the seed is stolen. Albert calls the famous detective Agatha Chichester and the train picks her up at the following station. Clara's father is soon accused, as he has no alibi and his print is found. But Clara and Gaute soon discover that Albert has been ruining various farms with the long terms effects of the Seed. They share their doubts with Agatha, only to realise that she's the actual robber. She explains that she seeks revenge against Albert, who has ruined the land of her family. During the pursuit, the train derails and she escapes. They all go back to Cattle Hill, where the soil was now given enough rest to become fertile again and they decide happily to work there without any help from new technology.