Fetching details from the dictionary...
full particulars; all the details; the whole story; everything (about); from beginning to end
彼は事件の一部始終を語った。
He told the whole story of the incident.
記者は事故の一部始終を詳細に報じた。
The journalist reported the full details of the accident.
祖母はよく、祖父との出会いの一部始終を話してくれる。
My grandmother often tells us the whole story of how she met my grandfather.