What is the rising action of double identity by Margaret Peterson haddix?

The Rising Action is all about how her mom and dad took her in a three hour drive to her Aunt Myrtle's house who she didn't even know. Right as she was starting to get settled in she receives a letter in the mail containing four different names and a huge sum of money. Later on in the vist Bethany learnes that she is a clone of her sister that died 13 years ago and that she was illegal.