So-jin tells Yeon-woo she loves her, but Yeon-woo has a hard time saying it back. So-jin has a harder time sharing her innermost feelings the more she sees him. Seeing So-jin being anxious about her relationship, Mi-eun suggests doing a destiny test with Yeon-woo. Meanwhile, Kang-hoon learns from Mi-eun that the basketball uniform So-jin got tested wasn't Yeon-woo's.

So-jin finds out the uniform she tested the DNA on was Hoon's, not Yeon-woo's. Yeon-woo's father passes away, leaving So-jin in shock. Without knowing where Yeon-woo could be, So-jin looks for Yeon-woo who went missing. Meanwhile, Yeon-woo shares how he truly thinks of true love and what he's afraid of the most.

Yeon-woo asks So-jin to break up with him, saying Kang-hoon is meant for her. Upon hearing So-jin's breakup with Yeon-woo, Yeon-woo tries his best to console her. Kang-hoon asks So-jin out for a date, but So-jin keeps getting reminded of the days she spent with Yeon-woo. Meanwhile, Kan-hoon falls into a critical state after a fire breaks out in an empty house.