Love 911 plot
"A day to heal, a day to love."
Kang-il is a firefighter whose wife died helping someone else in an accident. Struggling with guilt for not being able to save his wife, Kang-il no longer fears rescue. Mi-soo is a doctor in a hospital, and one day she misdiagnoses a sick woman. The sick woman is in a critical condition. Her husband is suing the hospital and Mi-soo is in danger of losing her medical license. Later, Mi-soo learns that there was an incident between firefighter Kang-Il and the sick woman's husband. She tries to convince Kang-il to sue the man.