Izvestnyy neyrohirurg Genri Peroun vpolne dovolen zhiznyu: on sumel realizovatsya v professii, u nego prekrasnaya semya i polnye vzaimoponimaniya otnosheniya s lyubimoy zhenoy. Odnako odnazhdy utrom on popadaet v istoriyu, kotoraya imeet neozhidannoe i tragicheskoe prodolzhenie. Dorozhnoe proisshestvie, znakomstvo so strannym prestupnikom - i vot uzhe v ego bogatom dome poyavlyaetsya nezhdannyy gost, kotoryy ugrozhaet zhizni Perouna i ego blizkih. . .