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.