Things We Can't Untie by astrangerfate

Things We Can't Untie - astrangerfate
A well written fanfic in which seventeen year old Jared is destined to become Jeffrey Dean Morgan's new sex slave (known as an 'intern') in this dystopian future. New trainer Jensen finds himself becoming too attached to the kid.
Source: http://archiveofourown.org/works/241330?view_full_work=true