Heroes Next Door

It tells the thrilling and humorous story of a reserve special forces unit that comes together not to protect the country or promote world peace but to safeguard their families and neighborhood.
Choi Kang, who is an insurance investigator, was a member of the JDD special operations unit. He possesses an impressive physique, sharp insight, and an exceptional capacity for empathy.
Kwak Byeong Nam, who is the owner of a hardware and stationery store, is a former member of the HID counterterrorism unit who was transferred to the maintenance battalion after suffering a knee injury during training. He has been the youth association president of Sangri-dong for 13 years and is in charge of recycling collection in the neighborhood.
(source : mydramalist)