Welcome!

Before Charlie passed away at twenty-three, he had one final surprise for his four best friends after his death: a trip to Mexico to relax after their month of grief!
The problem?
Holly hates Juliette. Juliette hates Noah. Holly wants Noah, but Noah keeps checking out Juliette. And, as always, Jude is hanging at the sidelines, pining over Holly, and trying not to get sunburnt.
Once more letters from Charlie are found, it's clear he had an ulterior motive. What was it?