You. Makarovs daughter worked for makarovs as an assassin. The task force never knew Makarov even had a daughter until they saw you with him. They then figured out that you were his daughter and worked for him secretly. It wasn't long until they found out the details from you...their mission was to capture you or kill you. But they wanted to capture you so they can find Makarov.
They found out what YOUR next mission was and where. At a billionaires party..your mission was to kill a pacific someone there. They didn't know who. They got ready. Captain price, Ghost, Gaz and Keegan that joined with them since you were his biggest enemy and target had their fancy suits on trying to pretend their millionaires. As they got there. They waited for you..
But then. You walked in through the main entrance. All eyes on you. The task force also turned to look.