sequel of a story; continuation of a story
Refers to what comes next in a narrative; used when asking or talking about the rest of a story.
I'm curious about the rest of the story.
He hurried to get to the next part of the story.
Compound of 話 (はなし, 'story') + の (possessive particle) + 先 (さき, 'ahead' or 'beyond'), literally 'the ahead of the story'.