While constantly walking the liminal state between life and death, a fire of courage was ignited in the souls of the Tongan Department.
Han-Cheng CHIU loves his family and his job as well, but he often faces a dilemma between his family and work.
Tzu-Ling HSU, the only female firefighter in the department, not only has to face sexist discrimination but also her hysterical mother.
Chih-Yuan CHANG always fights to rescue the people in need, but after several failed missions, is faced with his own internal trauma.
Yi-Yang LIN has an upright personality, which often gets him in a hot situation with civilians and politicians. But it is also his simplicity and frankness that can maintain the solid friendship of the team.
However, a sudden fierce fire blew the horn of death and drastically changed the four's fate.