Barry hits it on 'go', rushing out of the control room and down the stairs to the next floor; a clock in the back of his mind counting the seconds.

He hits the next floor, through the doorway, and takes on the locked door.

The handle drops free and the door springs open on the final tic of Barry's mental timer, and he steps through and pushes the door closed again in a rush, ducking low and holding.

"In the office," he calls to Yamato in a hushed voice over the comm-link.