Milo Parker plays a pre-teen assistant to a paranormal investigator in this underpowered supernatural comedyThat this cheap-und-cheerful, German-derived kids’ flick has been rescued from the vast EU fodder mountain is presumably down to the presence of Milo Parker, the expressive young lead of June’s Mr Holmes – though he gets flimsier material here, playing a pre-teen helping a cynical paranormal investigator (Ange Engelke) to reverse a phantom cold snap.