Young Lady and Gentleman - Season 1 Episode 32 The DNA Test
Overview: As Dan Dan keeps trying to make Young Guk admit his feelings for her once again, Young Guk continues to ignore her efforts. Meanwhile, Soo Chul's suspicions for Anna grow to the point that he decides to secretly run a DNA test on Anna and Dan Dan. After discovering Anna's identity, Soo Chul flies into a rage and tells her to stay away.