“Congratulations. You are eight weeks pregnant.” “...ah.” After a one-night stand. A stranger came to Ha-hyun. He didn’t worry about money, he had plenty of time. Although it might have only one parent when it was born, Ha-hyun decided to have a child. However. “...pregnant." “What?” “You are pregnant, right?” Suddenly, Cho-seung, a one-night opponent, came to Ha-hyun... With this, Ha-hyun thought there were two strangers. “Oh my God, they are twins.” “Pardon?” “Ho...” Three strangers came to Ha-hyun in spring. Can Ha-hyun, Cho-seung, and the two children remain in a reassuring relationship just by the fact that they are with each other?