Five Degrees of Separation"

 Tae-o and Song-I reach a rest stop to her mother's house, and although Song-I tries to get Tae-o to leave, he is persistent, telling her that he's going to go no matter what. They reach her mother's house, and Song-I expresses her frustration by throwing a brick at her mom's house window. Song-I's mom and her boyfriend come out, and seeing Song-I, her mom tells her why she really left. Song-I's mom was in love with a baker, and she had to choose to leave Song-I or go with the baker, and she chose the Baker. After, Song-I becomes so distraught she disowns her mother and chooses to sleep on a bench. However, Tae-o books a hotel room so Song-I could sleep in a real bed, and the next day they depart. However, Do-hyeon, worried and regretful about Song-I, picks her up and they depart. But it is revealed that Song-I did have feelings for Tae-o, however she keeps hidden. Meanwhile, Hoon gets a call from his dad, who is angered that Hoon stayed at Tae-o's house. But Hoon's dad gruffly invites him for Sushi with a business colleague, who tells Hoon about a play in which he and his dad will get paid a huge sum of money. However, Hoon's dad is so eager to continue the business ties with his colleague, Hoon angrily cuts ties from his father and leaves