ThehappyandmeasuredlifeofthearchitectAndreiandhiswifeOlyaisdestroyedbyrobberswhentheybreakintotheirhouse.Olyaisveryupsetaboutwhathappened.Andreidreamsoferasingthisincidentfromhermemory.ThesearchleadshimtoastrangeapartmentintheHouseontheEmbankment,wherethemysteriousMaralives.Shepromiseseffectivemedicine.Andreyagrees.ButsoonOlyabegantoshowsideeffects..bbb