Whatcouldpossiblyhaveendedthetight-knitthirtyyearfriendshipofTullyandKate,our"FireflyLaneGirlsForever"?We¡¯lllearntheanswerthisseason--butfirst--KategrappleswiththepainfulaftermathofJohnny¡¯sill-fatedtriptoIraq,whileTullyfacesalawsuitafterwalkingawayfromhertalkshow,andmuststarthercareeroverfromthebottom.Thisleadshertosearchforanswersaboutwhosheisandwhereshecomesfrom--includingaquesttofindthefathershenevermet,againstthewishesofhersecretivehippiemother,Cloud.Inthe¡¯80s,weseeKateandJohnnyfirstfallinlove,creatingmorethanalittledramainthenewsroomwheretheywork,asTully¡¯scareerrisesandshespars(andflirts!)withcockysportscasterDannyDiaz.Shejustmighthavemethermatch--thatis,iftheycanstoparguingforfiveminutes.Whileinthe¡¯70s,teenageKateandTullystruggletokeeptheirfriendshiptogetherasCloudgoestojailfordealingdrugsandTullygoestolivewithhergrandmother,farawayfromFireflyLane.Asthegirlsfacethetumultofhighschoolapart,theyknowtheonethingtheyreallyneediseachother.