Blood Free

It is Christmas Eve of 2025; BF showcases their new product; everyone praises Jayu, the CEO, but the primary industry suffers because of BF; two other incidents occur on the same day; a stockbreeder falls on Jayu's vehicle.

Chaewoon becomes Jayu's bodyguard; they attempt to fix the hacking but realize governmental power is needed; Jayu asks Seonu Jae, the prime minister, for help.

It is suspected that the hacking could have been an inside job; after digging into Chaewoon's past, she finds out that he was present during the terrorist attack that involved the president a few years ago; Jayu harbors suspicion against Chaewoon.

Jayu unexpectedly receives an M&A offer; Seonu Geun, the chairman of DORSON Group and Seonu Jae's biological father, suggests that Jayu sells her cultured meat technology to him; Chaewoon locates the hacker's whereabouts.

Chaewoon is critically injured during the shoot-out; the secret laboratory in BF's basement begins the operation; Chaewoon recovers swiftly, but there seems to be something wrong with his hearing.

The hacker's body is found; Chaewoon and Hoseung, a fellow bodyguard, retrace the hacker's steps; they find an individual who was close to him, but something strange happens when they try to meet this individual.