SYNOPSIS A woman is killed in a deluxe apartment. The killed woman is Lee Seon-Ok, whose husband, O Jeong-Keun, dances 'Cheoyongmu'. He was in the middle of the performance and his daughter slept out at the time when she was killed. And their alibis are proven. Detective Choi traces Doctor An Dong-Ik, who was a lover of Lee Seon-Ok. A clue is that she was pregnant but her husba...