Chimera

A car explodes in the middle of the city and kills a person. The cause of the explosion is unknown. Cha Jae Hwan, a detective from the Violent Crimes Unit, notices something strange at the scene. Eugene Hathaway, an FBI agent on duty in Korea, helps him take another look. Later, Jae Hwan chases after a suspect, and in the end, he gets faced with a dark figure.

After Ju Seoks death, a special task force gets formed. Jae Hwan gets interrogated for being at the crime scene, and he tells them that the water caught on fire. However, no one believes him. Jae Hwan still suspects Joong Yeop as the culprit. With Eugenes help, he digs into the mystery and finds crucial evidence.

Seoryun Medical Centers legal team stops the polices interrogation of Joong Yeop, the main suspect, and he is free to leave. After having drinks with the investigation team, Jae Hwan opens up and tells Eugene about his fathers death. Now safely at his house, Joong Yeop recollects what happened at the Macheon Police Department when he was young. Later, Joong Yeop shows up at Eugenes lecture and brings up the past.

Jae Hwan tells Captain Ko Gwang Soo that Hahm Yon Bok was in charge of the Chimera Case 35 years ago and shares his suspicions surrounding Lee Sang Woos death. While Jae Hwan and Eugene look into Joong Yeop and Lee Sang Woos relationship, Joong Yeop tells an enlightening story. Meanwhile, another explosion takes place.

Jae Hwan asks Chief Bae why Hahm Yong Bok got discharged 35 years ago, but Chief Bae becomes defensive and doesnt give him an answer. Meanwhile, Agent Hathaway finds suspicious things about Kang Sang Gu and keeps a close eye on him. However, Kang Sang Gu also has his eyes on her.

Joong Yeop tells Jae Hwan that his mom’s memories from before the accident are coming back. He has suspicions about the fact that the accident occurred 35 years ago. Later on, Jae Hwan gets a phone call on the day of his mom’s next appointment. He finds out that Joong Yeop quit his job at the hospital and left the country.

While being taken by the questionable investigators from the prosecution, Joong Yeop takes control of the situation and flees the scene. The police start to chase him down, but Joong Yeop sneaks a secret message to Eugene. She goes to the place Joong Yeop indicates in his coded message with Jae Hwan. When they meet, Jae Hwan ends up pointing his gun at Joong Yeop.

Jae Hwan finds out that the bullet found at Joong Yeops crime scene was one that police officers were not issued to fire. Later, after watching an unsettling recorded video of his mothers interrogation, Jae Hwan rushes off to see his mother, who is now under supervision. Meanwhile, Kim Hyo Kyung appears on an internet show and reveals new facts about the Chimera Killer.