Hazel and Augustus meet each other at support group and then begin to hang out which is when they start to realize that they have feelings for each other.
Augustus becomes interested in Hazels favorite book, An Imperial Affliction after hearing Hazel talk about it. He reads her and gives Hazel his favorite book to read.
What happened to Anna's mom!
Augustus tells Hazel that he is going to use his one wish given to him by the foundation for children with cancer to take Hazel and himself on a trip to Amsterdam, so they can have the relief of knowing what happens to the characters at the end of the book.
Hazel get sick which creates a problem for her to travel to Amsterdam. Her lungs filled with fluid and the doctors are worried that they will refill on the trip.
Eventually the doctors agree and Hazel travels to Amsterdam with Augustus and her mom in case of an emergency. They then talk to the author to try to get answers to their questions. They were disappointed because the author was a drunk and didn't give them answers.
Before they leave Amsterdam, Augustus finally tells Hazel that his cancer has returned and has worsened from the previous time.