Доброволец. На Великой войне

Otpravivshis v sluzhebnuyu komandirovku, nash sovremennik zhurnalist Mikhail Krynnikov popadaet v avtomobilnuyu katastrofu. Pridya v sebya, on obnaruzhivaet, chto okazalsya perenesen v proshloe. Dekabr 1914 goda, idet Pervaya mirovaya voyna, pozzhe nazvannaya "Velikoy".Otpravivshis na front dobrovoltsem, Mikhail postepenno privykaet i vzhivaetsya v realii nachala dvadtsatogo veka, uchastvuet v boevykh deystviyakh, stanovitsya boytsom razvedroty.Odnako cherez polgoda Krynnikov zamechaet, chto sobytiya proiskhodyat ne tak, kak on pomnit, kto-to mogushchestvennyy yavno pytaetsya izmenit khod istorii. Kto zhe etot neizvestnyy? Udastsya li Mikhailu pomeshat ego planam? I kakoe budushchee zhdet dobrovoltsa na Velikoy voyne?!