Pechal'nyye sobytiya v zhizni Ady Santorini vynuzhdayut yeye uyekhat' na drugoy konets strany i poselit'sya v ocharovatel'nom plavuchem domike na Lodochnoy ulitse. Zhizn' na ozere kazhetsya nastoyashchim priklyucheniyem, a sosedi stanovyatsya blizkimi druz'yami. No odnazhdy Ada nakhodit na cherdake sunduk, v kotorom pokoyatsya svadebnoye plat'ye, zapisnaya knizhka i neskol'ko fotografiy. Ada rasskazyvayet o svoyey nakhodke sosedu Aleksu, i on yeye preduprezhdayet: veroyatno, sunduk prinadlezhal ...