Sara, Seth, Tom, Carrie, and the gang are thrilled that Pierre, Catherine, their daughter Claire, and another couple from Paris are coming to New York to celebrate Tom, Carrie, Seth and Sara's anniversaries. Since several people in the group love roller coasters, they all plan a fun day at the amusement park. Everyone is enjoying their time at the amusement park, when shots suddenly ring out, and the killer walks away unnoticed. Will the police find the killer before he strikes again?