Trapped in a mysterious house with a chilling message on its door, Shun and the remaining survivors face a grueling test of patience and vigilance—for no one knows when the next deadly battle will begin. Unity is key when mere seconds could save or doom them, but the stress of being on standby to fight for hours on end is causing the team to clash. And when a powerful pair plays dirty, eliminating the other teams one by one, Shun and the crew must find a way to band together and fight like never before.