Here's a summary:
* The Evil Queen, disguised as an old woman, gives Snow White a poisoned apple, which puts her into a death-like sleep.
* The dwarfs, heartbroken, place Snow White in a glass coffin in the forest.
* A handsome prince, drawn by the beauty of Snow White, finds her and kisses her.
* The kiss breaks the curse of the poisoned apple, awakening Snow White.
* The prince and Snow White fall in love and marry.
* The Evil Queen, having witnessed the happy ending, is defeated and dies.
Therefore, the story ends with Snow White finding happiness and love with the prince, while the evil Queen is punished for her wickedness.