I wasn't really expecting anything going into Architecture 101 just because i didnt think a movie about building a house would seem that interesting. However, there was more to it... First, the plot was a calm one with the building of a house and reconnection of the main characters being the focal point of the present story line. The past storyline gives us important info on how the main characters met(as friends) and what were the events that led to their separation (still friends at that point). I really did like the story until the ending. The ending just didn't work for me but i guess you could say it was a realistic one. Second, I thought this was well casted. UTW & HGI played thier older versions well and they had really good chemistry. As for the younger versions of thier characters Suzy & Lee Je Hoon were adorable and matched well. I know Jo Jung Sook had a very small role but once again he manages to make his character stand out. Overall the actors are what makes the movie memorable but the ending kind of ruins my overall enjoyment for it.