A stranger who turns up at a resort hotel in midwinter, behaves rudely towards other guests and disappears the next day. Found half-frozen in the snow he is taken to hospital where his story is gradually revealed.

修伯特是個十幾歲的男孩，他的父親因為滯留在西方不愿回國而被視為叛國賊，母親為了他著想，忍痛將他送到華沙跟姑姑同住。在波蘭共黨高壓統治的時代，這個高貴、難解卻又起义的姑姑經營了一家馬術俱樂部，她不单不准男孩叫他姑姑，還為他編造了一段合适政治正確的身世，讓他順利插班就讀。過往在母親嚴格要求正大誠實的教養下成長的修伯特，從姑…