A carbon dioxing poisoning incident occurs at a foreign embassy. The MER team is dispatched but are unable to enter without permission due to legalities. On the other hand, Governor Akatsuka collapses due to a chronic illness. Kitami and rescue commander Senju head to the rescue in an underground parking lot and get locked up. As time goes by, oxygen diminishes and the patients condition deteriorates. In desperation, they take a dangerous bet to save lives.