Chelsea, Cameran, Eliza, Danni and Kathryn hit the slopes for their first ever ski lesson, while Craig, Austen and Madison snowboard. When Austen and Madison's relationship starts to heat back up, Kathryn reveals more dirt on her hook up with Whitney. Later, tensions rise when the gang enjoys a cannabis infused dinner, and Kathryn is confronted with her past mistakes. Meanwhile, back in Charleston, Naomie gets an unexpected phone call from Ashley.