Stefanexplains his and Damon's past with Katherine to Elena
. In 1864, they both loveda woman named Katherine Pierce, who then turned both of them into vampires.
Meanwhile, Damon spends the day trapped inside the Salvatore Boarding Housewith Vicki.
They feed off of each other and he changes her into a vampire.
Stefan discovers this and attempts to persuade her to die instead of completingthe transformation into a vampire by feeding on human blood.
Logan uses thepocket watch that tracks down vampires and finds Stefan and Vicki in the woods
.Logan shoots Stefan with a wooden bullet, thinking Stefan was attacking Vicki.
Damon saves Stefan by attacking Logan. Vicki is overcome bythe hunger and feeds on Logan, killing him and completing her transformation.
Stefan tells Elena that Vicki has become a vampire, and Elena decides to keepthis a secret, but not without ending their relationship.
:)
