Seasons & episodes
S1 · E1Episode 1 2021-02-17 · 73 min
Aboard a falling plane as the clock ticks toward doom, Han Tae-sul puts his famous mind to work for a solution. Gang Seo-hae arrives in the year 2020.
S1 · E2Episode 2 2021-02-18 · 71 min
The contents of a mysterious suitcase give Tae-sul more questions than answers. In exchange for lottery numbers, Sun agrees to help Seo-hae.
S1 · E3Episode 3 2021-02-24 · 63 min
Tae-sul's presentation at a conference gets a violent interruption. He and Seo-hae make a narrow escape, but more trouble soon follows.
S1 · E4Episode 4 2021-02-25 · 70 min
On the run from the enforcement agency, Tae-sul and Seo-hae give in to the time traveler's request that they make a stop at his mother's house.
S1 · E5Episode 5 2021-03-03 · 74 min
Caught by Kim Seo-jin trespassing in her clinic, Tae-sul tries to explain what's going on. Seo-hae reveals disturbing details about the future.
S1 · E6Episode 6 2021-03-04 · 66 min
Seo-hae infiltrates Eddy Kim's party with a mission. After a series of distressing events, Tae-sul realizes he cannot trust everyone around him.
S1 · E7Episode 7 2021-03-10 · 69 min
Seo-hae urges Sun to flee the country, and asks Mr. Park to do her a favor in exchange for an item he's eager to get his hands on.
S1 · E8Episode 8 2021-03-11 · 75 min
Despite Seo-hae's insistence that he lie low, Tae-sul focuses on tracking down an enigmatic figure who seems to be tied to everything.
S1 · E9Episode 9 2021-03-17 · 71 min
At the amusement park with Tae-sul for her birthday, Seo-hae encounters someone unexpected. A familiar threat strikes again.
S1 · E10Episode 10 2021-03-18 · 69 min
Tae-sul enters enemy quarters to retrieve Seo-hae. Learning she's been put in a dire condition, he turns to a grudging Mr. Park for assistance.
S1 · E11Episode 11 2021-03-24 · 74 min
Tae-sul and Sigma come face-to-face. In order to rescue Seo-hae, Tae-sul must endure an emotional trip through his past.
S1 · E12Episode 12 2021-03-25 · 75 min
When Seo-hae wakes up, a person she missed is waiting to meet her. A long-forgotten childhood memory returns to Tae-sul.
S1 · E13Episode 13 2021-03-31 · 80 min
Tae-sul is reunited with a trusty friend, who comes to him with a warning. A suitcase containing disturbing contents arrives at Asia Mart.
S1 · E14Episode 14 2021-04-01 · 70 min
With the war looming on the horizon, everyone must make their choices. When Seo-hae heads to the only place she knows, Tae-sul finds her.
S1 · E15Episode 15 2021-04-07 · 71 min
As Tae-sul tries to locate him, Sigma reveals more details about himself. Sun frees Seo-hae from the bunker.
S1 · E16Episode 16 2021-04-08 · 76 min
Tae-sul asks Seo-hae to trust him no matter what happens — and demonstrates that nothing is fixed when it comes to matters of the future.