EveryonehasaTullyDawson(TonyCurran)-thefriendwhodefinesyourlife.Inthesummerof1986,ina*allScottishtown,Jimmy(MartinCompston)andTullyigniteabrilliantfriendshipbasedonmusic,filmsandtherebelspirit.Withschooloverandthelockedworldofthei*ther*eforethem,theyrushtowardstheclimaxoftheiryouth-amagicalweekendinManchester,theepicentreofeverythingthatinspirestheminworking-classBritain.There,againstthegreatestsoundtrackeverrecorded,*owi*ade:togoatlifedifferently.Thirtyyearson,halfalifeaway,thephonerings.Tullyhastheworstkindofnews,andarequestthatwilltesttheirfriendship,love,andloyaltytothelimit…Mayfliesisamemorialtoyouth’seuphoriaandtoeverydaytragedy.Atendergoodbyetoanoldunion,itdiscoversthejoyandthecostsoflove.