S1·E21 Episode 21

Ok Hee sees the DNA test results that say Kwang Nam is Ha Ru's father and becomes furious. Although Hee Ok tries to explain, Ok Hee refuses to listen. She declares to Kwang Nam later on that she wants a divorce. That night, Ok Hee receives a text message from So Ri saying that she is registering her marriage to Ha Ru the next day.