Han Dujin and his team investigate a criminal conspiracy in order to protect the Han River.
While on patrol, Han Dujin spots Go Giseok acting suspiciously and gives chase.
The team is suspicious when it discovers Baek Chul’s barge tethered to a stranded ferry.
Han Dujin pursues Go Giseok and his accomplices after the discovery of gold onboard the river ferry.
Han Dujin and Lee Jungchan go to the mysterious Palmi Island in search of answers.
Tensions escalate when Go Giseok kidnaps Han Dujin, along with Baek Chul's nephew, Han Jun.
Han Dujin fights off Go Giseok’s henchmen so Baek Chul can safely make an escape with Han Jun.
