this story be never among my favourite in christie work so i be pleasantly surprise to quite enjoy this adaptation . the mouse motif be effective if a little overdone and the bone of the story be there although more emphasis be place on the crime in the past subplot . the student be all pretty much a i imagine them although it a pity they weren not a more cosmopolitan bunch perhaps the revised thirty set do not allow for that . i think some very daring risk be take with the film while perhaps it because i have not long re read the book but it seem pretty obvious to me who the murderer be from their appearance in some reveal shot quite early on . humour be much more prevalent in these early poirots . sometimes it work but i find a lot of it rather heavy hand in this episode ( though i do smile at the lemon sole throwaway line ) . altogether though and a solid entry in the series though not one of the best .