NieR Automata: A Beautiful Song

Androids 2b and 9s have been looking for résistance fighters that have been missing the signal of these fighters led the pair to an old amusement park that is ran by some robots. After riding on a roller coaster they drop down into what looks like a opera theatre. Their appears a robot that not only can hack but has control of the other fighters they have been looking for. Their only chance of survival is to kill the robot maiden but will it be to much for them to handle and will they be able to save the fighters they been looking for all this time.