Showing full posts on tag and category pages

Hey folks,
new guys here. Couldn’t find any resources available probably because request is too specific.

Problem:
when user comes in to a category or a tag page she sees summaries of all posts that correspond to that tag or category.

Desired Outcome:
when user comes in to a category or a tag page, she should see *full* posts that correspond to that tag or category.

Background:
Many of our pages got indexed thanx to tags, but when users come in to a page like this one: http://www.ghazm.com/tag/exhibitionism/, all they see is a tiny summary, so the they bounce right off the page.
Is there a setting that i can turn on/off, or a plugin that takes care of that, or maybe there’s a known workaround?
Any feedback is appreciated!
Sincerely
ghazm.com team