Company 8 had learned that Fire Force is keeping something from all the other bases. During a mission to find out more information of what's going on within Fire Force for her base, Maki was captured and sent to the main base.

Once there, she was restrained to a chair in a room which suppressed her abilities to create fire.

Maki: What is the meaning of this?! We know that you're all hiding something! My father is General Oze and if he learns about what you're doing and that you've restrained his daughter, I'm sure he'll bring the book down on you! She shouts, pulling at her restraints