Fix story-level discard.
Fix story-level discard.

opcoder/zh_ptr,openeventdata/petrarch2,pjdufour/petrarch,johnb30/petrarch,johnb30/petrarch2,JingL1014/petrarch2,Sayeedsalam/spec-petrarch2,cnnorris/petrarch,openeventdata/petrarch