L.U.C.A.: The Beginning Season 1 Episode 5

Gu Reum brings Ji O home since he has nowhere else to go or anyone to depend on. There, Ji O comes to understand just how desperate and lonely Gu Reum has been while searching for her parents. Meanwhile, Lee Son is furious that he let Ji O go yet again. He decides to take a big risk in order to capture Ji O once and for all.