Tunnel Episode 1 In the town of Hwayang, series of murders that took young women’s lives away is making everyone feel anxious. Serious Crimes Unit of Hwayang Police Station works day and night to… read more Tunnel Episode 2 When Kwang Ho wakes up, he finds himself in the year of 2016 where a police officer with the same name as him has gone missing. In order to find a way back to his world, he decides… read more Tunnel Episode 3 The fifth body of the serial murders that started in 1986 has finally been found after 30 years. Kwang Ho is certain that he will be able to go back to his wife after solving this… read more Tunnel Episode 4 Kwang Ho puts out the fire that broke out on the first floor of his apartment and realizes that the lady who studies maniacs, Jae Yi, is living downstairs. Meanwhile, Sung Shik gets… read more Tunnel Episode 5 Sun Jae gets desperate to catch the killer and feels frustrated as the crimes keep happening. Meanwhile, another murder case occurs at an isolated rest area in a downpour. Kwang Ho… read more Tunnel Episode 6 Kwang Ho seeks for ways to chase after the younger Kwang Ho who was born in 1988. Sun Jae opens up to the older Kwang Ho who understands his trauma, but thinks Kwan Ho’s behavior… read more Tunnel Episode 7 Sun Jae finds Kwang Ho who was born in 1988. He begins a secret investigation on his own to prove that Kwang Ho born in 1958 is fake. Meanwhile, Kwang Ho of 1958 doesn’t know that… read more Tunnel Episode 8 Kwang Ho can’t believe the irony of fate. He finds out that Sun Jae was the son of Seo Yi Soo. At first, Sun Jae doesn’t believe in Kwang Ho’s story, but he has no other option… read more Tunnel Episode 9 The real culprit of the murder that occurred 30 years ago gets revealed. Another victim with the dots on the ankle appears. Kwang Ho and Sun Jae pick Jung Ho Young as a prime suspect,… read more Tunnel Episode 10 Sun Jae receives a call from Jung Ho Young again. Professor Shin talks to Jung Ho Young through the speaker and tells him that she’s the only one that believes in him. Meanwhile,… read more Tunnel Episode 11 Jung Ho Young finally gets caught. Sun Jae and Kwang Ho interrogate him and find out some new facts. Jae Yi gets hospitalized and recalls the incident for Jung Ho Young’s arrest… read more Tunnel Episode 12 Jung Ho Young, who was the witness to the murder of Sun Jae’s mother, commits suicide in his prison cell which leads to an impasse in the investigation. Meanwhile, Kwang Ho discovers… read more Tunnel Episode 13 Kwang Ho returns to the past in midst of a fight with Professor Mok. Jae Yi gets confused when she learns that Kwang ho is her real father. Meanwhile, everyone at Hwayang Police Station… read more Tunnel Episode 14 Kwang Ho comes back to the present time and heads to the police station to catch Professor Mok. The whole team finds out that Kwang Ho travelled from the past. Jae Yi, also known as… read more Tunnel Episode 15 Kwang Ho finds out that Yeon Ho had been kidnapped by Mok Jin Woo and goes after him with the whole team. Mok Jin Woo threatens to kill Yeon Ho if she doesn’t tell him where the… read more Tunnel Episode 16 Yeon Ho psychologically analyzes Mok Jin Woo and helps Kwang Ho and Sun Jae to get a confession from him. After dealing with everything in the present time, Kwang Ho decides to return… read more