S1.E1 ∙ Episode #1.1 Tue, Feb 15, 2022 It's 2005. Solar winds fall upon the Earth. Fast forward to 2021. Detective Jung Saebyeok witnesses a phenomenon while arresting a murderer. 7.6 /10
S1.E2 ∙ Episode #1.2 Tue, Feb 22, 2022 Saebyeok's police report catches the attention of the Bureau. More questions arise as Saebyeok reads the DNA analysis report on the woman. 7.2 /10
S1.E3 ∙ Episode #1.3 Tue, Mar 01, 2022 Saeha and Saebyeok learned about a terrible incident that took place in 1997, the same year when the Grid was conceived. 7.3 /10
S1.E4 ∙ Episode #1.4 Tue, Mar 08, 2022 As Saebyeok continues her own investigation despite the Bureau's orders to cease, she suddenly finds herself transferred to a different office. 7.4 /10
S1.E5 ∙ Episode #1.5 Tue, Mar 15, 2022 The Bureau issues an "APB" on Manok and the woman while spreading misinformation about the Grid. Concerned, Saebyeok rushes to arrest Manok. 7.2 /10
S1.E6 ∙ Episode #1.6 Tue, Mar 22, 2022 Saebyeok arrests Manok but loses custody to the deputy director of the Bureau. Meanwhile, the woman appears in front of the Bureau. 7.3 /10
S1.E7 ∙ Episode #1.7 Tue, Mar 29, 2022 Saeha arrives in a world of time before the Grid. To alter the course of his life and to save the planet, Saeha repeats time again and again. 7.4 /10
S1.E8 ∙ Episode #1.8 Tue, Apr 05, 2022 Saeha returns to the year 2021, but time turns back again due to an unforeseen accident. 7.5 /10
S1.E9 ∙ Episode #1.9 Tue, Apr 12, 2022 The Deputy Director attempts to use Saeha to capture the woman. Saebyeok learns of a secret about herself and runs to the Bureau to see Manok. 7.3 /10
S1.E10 ∙ Episode #1.10 Tue, Apr 19, 2022 The Bureau attempts to lure the woman by using Manok and Saeha as bait. Manok escapes and his escape leads to a terrible tragedy. 6.8 /10