1Episode 1
Hong Jihyo tries her best to dismiss the return of the strange creature in her life, until its signal for attention becomes impossible to ignore.
2Episode 2
Unable to find any sure leads to locate Lee Siguk, Jihyo turns to a community of UFO buffs where she's given a hostile welcome.
3Episode 3
Huh Bora offers to help Jihyo as long as she's able to document the investigation for her video series. The two make their way to Siguk's apartment.
4Episode 4
After getting into a tiff, the two friends go their separate ways. Jihyo turns to the police while Bora tails a suspicious real estate agent.
5Episode 5
After a surprising find in a stolen hard drive, Jihyo and Bora sneak into the back of a car and end up near a secluded home.
6Episode 6
Jihyo and Bora face a series of delays on the way to a psychiatric hospital. Kim Byungjo and Oh Sehee ask a former detective about a mass suicide case.
7Episode 7
Moon Hyungtae tries to get information out of Jihyo by strapping her to a device that distorts the subconscious. Seo Hwajung attempts to meet her savior.
8Episode 8
Jihyo revisits the site of the close encounter and turns to her family for more clues. Kim Chanwoo brings a hostage into Cafe Universe.
9Episode 9
Preparations for the funeral are well underway until the Hosanna makes a surprise appearance. An old colleague reveals the details of Hyungtae's past.
10Episode 10
Hyungtae’s unsettling confession catches Jihyo unawares, putting her in great danger. Bora chases after a mysterious flying object.