Family Ties (2009)

Elena and Stefan go to the town's annual Founders' Party, hosted by Tyler's parents. Vicki gets Tyler to ask her when she refuses to associate herself with Jeremy. Damon tells Elena about the history of the Salvatores after Stefan tries to cut Damon out of his life. Damon also retrieves an amber crystal from one of the historical artifacts in the Lockwood Estate. Meanwhile, Stefan uses Caroline as a vessel to poison Damon. When Damon sucks Caroline's blood, he falls ill. Once Caroline wakes up, she sees the amber crystal and puts it in her purse unaware of its power. Stefan locks up a weakened Damon at the Salvatore property with their descendent Zach to stand guard. The Founders Council, including Mayor Lockwood (Tyler's father), Carol Lockwood (Tyler's mother), Sheriff Forbes (Caroline's mother), and reporter Logan Fell, have come to the conclusion that vampires have returned to Mystic Falls due to the drained bodies, and they must retrieve a pocket watch that belongs to the Gilbert family. In the end, Vicki goes to Jeremy and they go to the bedroom.