You're in the middle of Farm Confrontation, helping MNST protect the scientist shipment at Arbor Farm. The attacker is no other than CDIS themself. They're sending Blackgold's to your location to stop the shipment and take the Scientist from MNST. That attack leaded by Randall Fisher

You're keep shooting your weapon at the Blackgold's operator that trying to eliminate all the WhiteWolf's Mercenaries. Gunshots is only things you can hear. As you start moving to the East side of the Farm, You finally see Randall and his Guard Shooting at the WhiteWolf's Operator, as he keep commanding his troops

Randall : "Blackgold's! In Formation! Enemy Forcing Inbound! Prepare for Counters!"

His guards quickly covering him with their Riot Shield, as he keep speaking to encourage his troops

Randall : "Nobody Gets in Blackgold's Way! Finish them! Lets Move!"