▁the ▁plan ▁completely ▁back - f iring : ▁Ser ena ▁is ▁arrested , ▁Po ppy ▁esc apes ▁and ▁Georg ina , ▁becoming ▁the ▁sc ap ego at , ▁e ases ▁back ▁into ▁her ▁old ▁ways . ▁ ▁A ▁stub born ▁Ser ena ▁cho oses ▁to ▁stay ▁in ▁prison , ▁until ▁Dan ▁b ails ▁her ▁out ▁and ▁the ▁two ▁go ▁to ▁prom ▁together . ▁Her ▁arrest ▁soon ▁adds ▁to ▁her ▁fame ▁as ▁she ▁becomes ▁a ▁local ▁celebr ity . ▁On ▁the ▁day ▁of ▁gradu ation , ▁G oss ip ▁Girl ▁sends ▁a ▁bl ast ▁that ▁further ▁ru ins ▁Ser ena ▁and ▁her ▁friends ' ▁re put ations . ▁Dec l aring ▁war ▁on ▁G oss ip ▁Girl , ▁Ser ena ▁finds ▁herself ▁the ▁center ▁of ▁bl ame ▁when ▁a ▁tick ed - off ▁G oss ip ▁Girl ▁dec ides ▁to ▁drop ▁every ▁un re leased ▁piece ▁of ▁g oss ip ▁she ▁had ▁in ▁store , ▁creating ▁further ▁divide ▁within ▁the ▁group . ▁S ending ▁a ▁text ▁to ▁G oss ip ▁Girl , ▁Ser ena ▁calls ▁a ▁bl uff ▁that ▁she ▁knows ▁G oss ip ▁Girl ' s ▁identity , ▁only ▁for ▁G oss ip ▁Girl ▁to ▁escape ▁and ▁warning ▁everyone ▁that ▁she ' ll ▁be ▁purs uing ▁them ▁in ▁college . ▁She ▁sp ends ▁the ▁summer ▁leaving ▁New ▁York ▁with ▁Carter ▁in ▁purs uit ▁of ▁her ▁father . ▁ ▁Season ▁ 3 ▁Ser ena ▁returns ▁from ▁her ▁European ▁advent ure ▁and ▁a ▁complicated ▁relationship ▁with ▁Carter ▁that ▁indicates ▁a ▁possible ▁rom ance . ▁The