Katherine barnes is a 29 year old lawyer who is the childhood friend of Douglas billings,Stuart price,Phillip wenneck.She and phil was the closest and than she got pregnant when she wanted to him she got into a accident and lost the baby and she was in the hospital for four months.She moved to New York to get away from him from the memories everything but now she is back and she has to attend the bachelor party of doug in vegas how will she face him again