Tilly has been betrayed by her sister and father and gets a job as a maid at the mansion,
Frost Hollow Hall, the home of her ghost, Kit.
Leon Brown, chief forecaster of Birminghambased The Weather Channel, said: "Saturday night will still be the coldest with a widespread moderate to severe frost and temperatures falling to -3degC and -6degC - with a few
frost hollows dipping to -7degC or -8degC.
For example, when deciding where best to plant vines, the data can provide a vital insight into the terrain to identify
frost hollows and badly-drained areas that adversely affect vines.
On Tuesday night some places could be in for minus 6C or even less where there are
frost hollows with clear skies and light winds.
