In Serial, Sarah tries to determine what really happened the day that Adnan Syed's girlfriend, Hai went missing. Through out the podcast, she talks about the days leading up to the killing. She talks to Adnan about what he was doing those days and where he could of been when the killing occurred. Her main point of asking him all of the questions that she asks is to find out if he was innocent or guilty. She wants to know, if he did do it, why he would do it. He is supposed to love Hai and they were supposed to spend their life together. Sarah wants to know why he did what he did if he was guilty.