1x7 - Family by Choice

Hae-joon finds out that his mother had come to pay back her debt, but did not stay long enough to see him. After CSAT, misunderstandings between San-ha, Ju-won, Hae-joon, and Dal build up as they are clueless about each other’s true feelings. Meanwhile, Hae-joon’s birth father watches his son’s basketball game and suggests he study further in the US.