Season 1

E1. Episode 1

Feb 17, 2021 · 73m

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.

E2. Episode 2

Feb 18, 2021 · 71m

The contents of a mysterious suitcase give Tae-sul more questions than answers. In exchange for lottery numbers, Sun agrees to help Seo-hae.

E3. Episode 3

Feb 24, 2021 · 63m

Tae-sul's presentation at a conference gets a violent interruption. He and Seo-hae make a narrow escape, but more trouble soon follows.

E4. Episode 4

Feb 25, 2021 · 70m

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.

E5. Episode 5

Mar 3, 2021 · 74m

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.

E6. Episode 6

Mar 4, 2021 · 66m

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.

E7. Episode 7

Mar 10, 2021 · 69m

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.

E8. Episode 8

Mar 11, 2021 · 75m

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.

E9. Episode 9

Mar 17, 2021 · 71m

At the amusement park with Tae-sul for her birthday, Seo-hae encounters someone unexpected. A familiar threat strikes again.

E10. Episode 10

Mar 18, 2021 · 69m

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.

E11. Episode 11

Mar 24, 2021 · 74m

Tae-sul and Sigma come face-to-face. In order to rescue Seo-hae, Tae-sul must endure an emotional trip through his past.

E12. Episode 12

Mar 25, 2021 · 75m

When Seo-hae wakes up, a person she missed is waiting to meet her. A long-forgotten childhood memory returns to Tae-sul.

E13. Episode 13

Mar 31, 2021 · 80m

Tae-sul is reunited with a trusty friend, who comes to him with a warning. A suitcase containing disturbing contents arrives at Asia Mart.

E14. Episode 14

Apr 1, 2021 · 70m

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.

E15. Episode 15

Apr 7, 2021 · 71m

As Tae-sul tries to locate him, Sigma reveals more details about himself. Sun frees Seo-hae from the bunker.

E16. Episode 16

Apr 8, 2021 · 76m

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.