Alli is the twin sister of Doug and best friends with Stu and Phil. Alli got married had a son then they got a divorce. What happens when Tracy wants Alli to go along to Doug's bachelor party and wakes up the next morning next to her friend and crush Phil?

Alli, Phil, Stu, Doug and Alan are traveling to Thailand for Stu's wedding. What could go wrong the five of them together again? Well if there's one thing we learned from the the first part well a lot can happen.