Tokyo MER: Mobile Emergency Room

Kota Kitami leads a medical team that rapidly responds to major emergencies. During the unit's inauguration ceremony, a bus accident occurs elsewhere.

Hina loses her confidence after she makes a mistake that endangers an accident victim's life. The MER team responds to an explosion at a festival.

A gun-wielding criminal takes an ill young girl hostage. Worried that the girl's condition could worsen, Natsume offers to become the hostage instead.

When a road tunnel collapses, a doctor carrying a heart for transplant gets trapped under some debris. Despite the danger, Kitami heads inside.

Otowa gets stuck in an elevator with a politician and a pregnant woman. But when things take a turn for the worse, he must decide who to save first.

When 18 elementary school children go missing in the mountains, Kitami orders the MER members to split into three teams to search for them.

MER responds to a report of food poisoning-like symptoms in a group of foreign laborers. The team finds several police officers already on the scene.

When a hospital in the mountains has a power failure, MER sets out to help the patients. On the way, Otowa confronts Kitami about his blank year.

Akatsuka collapses just as MER receives a call about a carbon dioxide emission at a foreign embassy. Without a director, MER faces a legal barrier.

After his past is made public, Kitami is asked to suspend MER’s activities. He and Otowa respond to a bomb threat and learn that Tsubaki is behind it.