Stefan , having fallen in love with Michelle , helps her try and free Mara and Lillian from Radu 's control .
In an effort to hurt his brother , Radu turns Mara and Lillian into vampires .
Stefan , having fallen in love with Michelle , helps Mara try and free Mara and Lillian from Radu 's control .
In an effort to hurt his brother , Radu turns Mara and Lillian into vampires .