As Meg's (Brittany Snow) recently rekindled romance with Luke (guest star Jamie Elman) begins to heat up, she grows concerned over his level of ""experience"" in matters of love. Prompted by some sagely wisdom from Roxanne (Vanessa Lengies), she attempts to broaden her sex appeal with shocking results. Elsewhere, Jack (Tom Verica) decides to rethink Nathan's (guest star Keith Robinson) employment status after learning of Helen's (Gail O'Grady) brush with danger, and his involvement in her defense during the recent voter registration drive. Meanwhile, JJ (Will Estes) re-ignites his romance with Colleen (guest star Jessica Collins) as he prepares to celebrate his 18th birthday and Helen agonizes over her own secret from that fateful day with Professor Wit (guest star Robby Benson).