Is it worth it? (An Uncharted Sam x OC story)

Hence from the title this is a Uncharted story.
Melanie or Mel and her twin sister Autumn Griffin had a normal life growing up. But once they graduated high school Mel got into finding treasure and exploring unknown areas illegally. Autumn went to college to become a elementary teacher and have a normal life. Mel has a few clients and contacts she works with but mostly works with Victor Sullivan or Sully who sometimes has the Drake brothers tail along with her if its a dirty job. But during December of 1995 in Egypt, Mel was looking for a rare necklace that belonged to a great pharaoh for a client named Scott Donahue. Scott was a rich business man that if he did not get his way well....you face the barrel to his pistol. Thats what Mel was looking at right now. Deciding to take the necklace to get the money for herself and hope or beg? 'Is it worth it?' those words that her sister always said to her echoed in her head.