in medias res
adverb literature specialized uk/ɪn ˌmiː.di.æs ˈreɪs/ us/ɪn ˌmiː.di.æs ˈreɪs/
（拉丁语）直接切入本题地;开门见山地
a Latin expression that refers to a story, or the action of a play, etc. starting without any introduction
The story begins in medias res, with Shay dead and Hano and Katie on the run. 故事开门见山，夏伊已死，哈诺和凯蒂在逃逸中。