Was it the dysfunctional sisters? Was it the cowardly novel writer? Was it the saccharine couple? Was it the mysterious young lady? Or was it the goofy Englishman?You will be sitting at the edge of your seat –in stitches– trying to figure out who the killer is at the Tin Building Theatre's production of 'The Clock Struck One.'You don't want to miss the suspense as the characters question each…