Please answer the Korean drama 1988. What is the main point of the second episode?

The second episode is mainly about Deshan stealing her sister's clothes at school in the morning. Then Paula was very angry when she learned that Deshan had stolen his clothes. And then play at the funeral of grandma deshan's death. It's very lively here, like a happy event, and her father has nothing to do with it. menstruation people are not sad at all.