What is a short summary on Demeter and Persephone?

Demeter is Persephone's mother. Demeter is the goddess of harvest. Persephone was the goddess of Spring. One day Hades kidnapped her and took her to the Underworld where she became the Queen of the Underworld. She now lives in the Underworld 6 months a year. The other 6 months is spent with her mother.