Chih-Yuan CHANG goes to the stream to rescue a drowning man. Later, he accidentally sees his elementary school teacher. Han-Cheng CHIU, who loves his job, is in a hard place because his wife asks him to change his job. Tzu-Ling HSU goes on an ambulance mission to help an old woman in the terminal stage of cancer, but the other party begs HSU to drive the ambulance to the seaside of her childhood. This is her last wish in life. The law-abiding HSU hesitates because it is in violation of regulations.

Han-Cheng CHIU breaks into a house urgently in order to prevent the fire from going out of control. Unexpectedly, this causes him a big trouble. Chilli confesses her love to Chih-Yuan CHANG, but his reaction is completely unexpected. Yi-Yang LIN loses the opportunity to rescue a dying civilian because he is called to help an alcoholic WU. WU is not sick or injured at all. He is just drunk, which makes LIN furious. Chih-Yuan CHANG would like to perform pneumothorax puncture on a dying pneumothorax patient, but the doctor refuses to authorize him. Meanwhile, Tzu-Ling HSU is sent to help an injured boy. But the boy's mother keeps pushing HSU to speed up the ambulance…

Yi-Yang LIN goes to the Entertainment World to check the Fire Safety Equipment. But a bigger conflict occurs unexpectedly. Chih-Yuan CHANG is suffering from PTSD but he pretends everything is fine. Later, in a fire rescue mission, he tries to rescue a dying boy but fails, which cause him even greater trauma. Tzu-Ling HSU is dispatched to rescue an old man dying from a bee allergy. However, it puts her into the center of national anger later.

Chih-Yuan CHANG's PTSD continues to worsen, but he attempts to deal with it with cheap shortcuts. Tzu-Ling HSU shockingly runs into her birth father during a mission, which causes conflict between her and her mother. Han-Cheng CHIU heads on a mountain rescue mission, but the rains forces him to camp and stay overnight. His wife, dealing with both crying children alone, is on the brink of a breakdown, but CHIU is nowhere to be found. This causes a bigger crisis within their relationship.