Complete story — includes the ending
In retaliation for not playing by the unspoken rules of Constance Billard, Blair hatches a plan to bring down her teacher, Rachel. After Chuck wakes up in a hotel and only has a minor recollection of what happened the previous evening, Nate and Vanessa try to help him fill in the missing pieces. Blair starts a rumor about Dan and Rachel, which gets Rachel fired. Dan and Serena decide to break up and Dan has sex with Rachel, as she is no longer a teacher. Unaware of this, the school reinstates Rachel. Title reference: The 1971 film Carnal Knowledge.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Gossip Girl season 2. HTML formatting and reference markers removed. · Content license