Episode 18 - S1.E18

Sang Gu continues to threaten Sa Ra for money, and when that doesn't work, he decides to use Se Jong as bait. Se Jong nearly gets into an accident while running away, and Dan Dan gets injured while saving him. Meanwhile, Ki Ja gets caught for stealing Dae Ran's gold and money, but this leads to Young Guk finding out about the whereabouts of his mother's diamond ring.