in medias res

Also found in: Legal, Wikipedia.

in me·di·as res

 (ĭn mē′dē-əs rās′)
In or into the middle of a sequence of events, as in a literary narrative.

[Latin in mediās rēs : in, into + mediās : accusative pl. feminine of medius, in the middle of + rēs, accusative pl. of rēs, thing.]

in medias res

(ɪn ˈmiːdɪˌæs ˈreɪs)
(Literary & Literary Critical Terms) in or into the middle of events or a narrative
[literally: into the midst of things, taken from a passage in Horace's Ars Poetica]

in me•di•as res

(ɪn ˈmɛ dɪˌɑs ˈrɛs; Eng. ɪn ˈmi diˌəs ˈriz, ɪn ˈmeɪ diˌɑs ˈreɪs)

adv. Latin.
in the middle of things.
References in classic literature ?
I will even do as Horace says, sir," I answered, smiling, "and carry you in medias res.
Well," said Colia, plunging in medias res, as he always did, "here's a go