A cover letter is an accompanying letter that serves as
the introduction to your resume. No resume should be
sent without one. The cover letter is individualized for
each position for which you are applying. It is an
extension of your resume and reflects your knowledge
of the employer’s needs.
What details? You didn't provide a picture or anything.
What is the essay based on ?
The correct way to say that sentence would be to put "everyone's innocence"