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Cái này thì xin lỗi trước mấy fan Macross Frontier nếu như ai chưa đọc hay xem phim này nhé...các bạn có quyền không đọc nhưng mà ở GVN không có chế độ spoil
[SPOIL]It begins with a Sheryl concert and she falls ill partway. A lot of inconsequential scenes follow, including some alone time for Alto and Ranka following fanservice on the beach. Around the time Ranka does her first concert (all the concerts are twice the acid trips of those in the first movie, by the way) the first major battle of the movie occurs and Alto/Brera tag-team the Vajra swarms mothership core. After this, Grace and Sheryl and their accomplices are discovered as spies by the government and all arrested.
Because everyone loves Sheryl, the SMS decide to break her out of prison, and as song is the only way anything is solved in Macross they do this with a Ranka concert in the prison. She has members of the SMS as an accompanying band that in no small amount reeks of Fire Bomber, and Alto dressed as a gothic lolita doll doing his usual acrobatics, which cover for him sneaking into the area where they're holding Sheryl after Michael aims some pro tranquilisers from the end of his guitar at the prison guards.
Once Sheryl is out, she joins Ranka for a few seconds on stage before they both retreat and take an escape route through the colonies insides. At this point Brera intercepts them because he wants to take Ranka with him and he ends up in a pretty entertaining fight with Ozma in his suit-thing. Some self-sacrifice on the part of Sheryl when the colony hull bursts and luca almost dying while out in space later, Vajra attack again and this time Leon activates some kind of fold wave devices which I interpreted as mimicking Sheryl/Ranka's singing all around the colony, and then starts firing these devices into the Vajra which changes their colour and gives him control over them. Not letting a moment pass, the colony folds straight for the Vajra homeworld.
At this point I don't know exactly how it happened, but those crazy people that Grace always talks to hijacked Leons system and took control of the Vajra and Battle Frontier themselves, and proceeded to fuse the Vajra queen with the Battle Frontier, which meant not only were they one with the universe but they had the biggest damn laser in the universe too. And so, the SMS are left with just Ranka and their Macross Quarter along with a fancy new white and red Valkyrie for Alto which has some kind of spinning turret on the top that lets him shoot in reverse while in plane mode.
And so the final battle begins - Alto deploys the fancy new Valkyrie and enters a dogfight with Brera (who's under the faceless organisations control), while the Macross Quarter clears the path to an asteroid it can use as cover with a particularly powerful main cannon blast, and then proceeds to surf it (think Eureka 7 only with something a million times bigger) down to the surface of the Vajra homeworld where the Vajra queen is, all while Ranka sings for whatever reason (do they need one any more?). Sheryl was left stuck on the Battle Frontier with Ozma, and begins to sing too, alerting them of her location through earring magic. A valkyrie is then remote controlled to Ozma while the Macross Quarter finally lands and Alto makes Brera realise that he has a mind control device in his skull, which he pulls out and then swaps to the good side.
So Ozma takes Sheryl back to the Quarter to sing alongside Ranka, while Alto makes a suicide rush for the Vajra queen in his new valkyrie, and it fires the most excessively powerful laser I've seen in a while toward the Quarter. Somehow the girls combined song combined with the realisation that they should be shooting the mind control devices on the Vajra manages to cause a swarm of Vajra to block the laser, and at this point an entire fleet of Macross colonies arrives at the scene and begins charging their lasers. Brera beats Alto to the control room where the masterminds are hooked up to some sort of giant machine and crushes it with almost no resistance, leaving only the Vajra queen itself, and the fleet still charging its lasers.
Alto then goes into angelic mode and realises that the Vajra aren't all that bad, and flies headfirst into the queen, diving out of his Valkyrie and saying farewell to the girls as he yells "WE'RE NOT YOUR ENEMIES!" at the Vajra queen and lands in its open palm. He convinces it to teleport out of the way of the lasers which the fleet is now firing, they cause a nuclear blast on the planet but the Vajra queen is spared and gone to who knows where along with Alto. Ranka gives blood to Sheryl which will apparently cure her, but Alto is never seen again and the whole set of colonies have made home on the planet.
Just to clarify, Alto basically sacrifices himself at the end to save the day, so neither of the girls get him as opposed to both of them getting him in the original ending.
[/SPOIL]