Demeter, the great goddess of earth, lived with her daughter Persephone and his husband (brother) Zeus.
One day Persephone went to get some flowers in a beautiful garden full of colorful flowers but then Hades, the god of the underworld saw her and h immediately fell in love and brought her to his home, the underworld.
Persephone did not come home for long so Demeter and Zeus started worrying if something might've happened to her.
Once arrived to the underworld Hades offered Persephone a lot of food but she was scared and did not trust Hades so refused, after many times of Hades offering food she decides to eat one to not look rude.
Once she ate the pomegranate Hades told her that she had to stay seven months in the underworld and the rest of the year she could go back home.
After those 7 long months she came back home and she celebrated with everyone