Lucinka spends the Christmas holidays with family and friends in a rented house. There he meets a curious and cute little kitten named Hvězdička.

Everywhere there is a Christmas spirit, suddenly it even starts to snow and everyone is happy. By a coincidence, Lucinka and Hvězdička find themselves in a snowstorm and have to face great danger. Their only hope for salvation is Lucinca's magical snowdrop. Will it help them?