Tập 7: Đội M4 truy vết Kẻ xâm nhập đến một nhà hòa nhạc trong khi các đội khác xử lý lực lượng tăng viện của Sangvis.

M4's team take over a poorly defended Sangvis supply base, but Intruder gloats over an open communications channel that they have fallen into her trap while she coordinates an intense Sangvis attack on the two other Griffin teams. Thanks to Squad 404's help, Helian manages to get Intruder's location and Gentiane instructs M4's team to Intruder's location. M4, AR-15, PPsh-41 and Scorpion track Intruder to a concert hall to find her waiting for them. She opens fire on them from a barrage of automated machine guns, trapping the Griffin Dolls in a withering crossfire. However, AR-15 finds a blind spot enabling the team to shoot their way clear. Meanwhile the other teams take care of Sangvis reinforcements thanks to PPK, who helps them overcome their weakness in night battles. In desperation, Intruder opens fire with her massive large caliber machine gun. However, she is taken down by M16 who arrives and reveals she was the one who created the blind spot for M4's team. Before dying, Intruder warns M4 and the others that the story is far from over. (Source: Wikipedia)

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