One day, Chan-ho is asked by Ha Kyung to spend a few hours playing with Yoonseo. After seeing Yoonseo make a wish to see her father, Chan-ho takes her to an internet café and helps her make an international call.
After learning how to make calls from Chan-ho, Yoonseo starts secretly calling from home as well. Su-Im is shocked by the enormous phone bill and scolds Yoonseo, Yoonseo strongly protests, saying that Min Kyung also spends a long time on the phone.
The next day, when Ha Kyung and the others realize that Yoonseo is nowhere to be found, they search all over town, but…
