12 SUMMERS AGO: Poppy and Alex meet. They hate each other, and are pretty confident they'll never speak again.11 SUMMERS AGO: They're forced to share a ride home from college and by the end of it a friendship is formed. And a pact: every year, one vacation together.10 SUMMERS AGO: Alex discovers his fear of flying on the way to Vancouver.Poppy holds his hand the whole way.7 SUMMERS AGO: They get far too drunk and narrowly avoid getting matching tattoos in New Orleans.2 SUMMERS AGO: Itall goes wrong.THIS SUMMER: Poppy asks Alex to join her on one last trip. A trip that will determine the rest of their lives.