Alexa has congenital heart ailment. Her plans were limited. She doesn't mind whatever her life leads her to - until she met Jenny. Jenny will be her source of strength, happiness, life. In return, Jenny got the best of everything from the help of Alexa until they went to college. Alexa now has plans - limited plans together with her best friend.
They wouldn't trade their friendship for anything. They promised to continue being with each other and all.
UNTIL THEY MET JACK.