Display the list of posts by selected category and view a particular post in lightbox.
This plugin will provide functionality you to show posts from a category into a post/page using the [ostlist] shortcode.
This shortcode accepts a category id, the order in which you want the posts to display, and the number of posts to display. You can use [ostlist] as many times as needed with different arguments. Usage: [ostlist argument1=value1 argument2=value2].