This takes place several years before Cruel Intentions (1999), back to when Kathryn first meets Sebastian, their sexual attraction to each other and their enjoyment in destroying the lives of their peers.
Nicole and Chase used to be BFFs, then junior high happened. The high school centennial dance is coming but Nicole gets dumped. So does Chase. They stage a relationship to get at their exes. They visit each other's worlds. Love in the air?