It was July when the dogs began to disappear from the neighborhood. About a week later, people began to go missing.

then what happened?

Explanation:

summary - a brief statement or account of the main points of something.

main idea - the main idea is defined as the main point of a speech or piece of writing.

paragraph - a distinct section of a piece of writing, usually dealing with a single theme and indicated by a new line, indentation, or numbering.