South Korea has the highest suicide rate in the developed world. In Suicide Watch we follow Hyung-Geun Suh who is the Captain of the Yeoudio Water Rescue Unit. His unit is responsible for rescuing people who are attempting suicide by jumping into the Han River. His team faces the stark reality of life and death on a daily bases as they jump into the cold waters of the Han River. Sometimes to rescue a person, sometimes to recover a body.