When Xiwen finally gets engaged, her best friends decide to celebrate with a last wild bachelorette trip. Besides Xiwen's longtime best friend Kimmy, the gang includes her fiance's little sister Jingjing and er other best friend the glamorous Jialan, who was Kimmy's bitter rival in school.
After the girls arrive in Ho Chi Minh City, Xiaomei asks them to meet her at private villa party hosted by her handsome film investor, the richest man in Vietnam. Kimmy and Jialan try to outdo each other to get his attention, and end by chugging powerful, disgusting local spirits infused with scorpions, lizards and snakes....
The next day, the girls wake up on the beach, the girls race to piece together what happened the night before in order to save Jingjing and Xiwen's engagement.