After diving down a rabbit hole of tangled leads, a former bodyguard finds himself recruited to protect the CEO of a controversial lab-grown meat company who is also a survivor of the fateful attack that changed his life.
Episode 1
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.
Episode 2
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.
Episode 3
It is suspected that the hacking could have been an inside job; after digging Chaewoon's past, she finds out that he was present during the terrorist attack that involved the president a years ago; Jayu harbors suspicion against Chaewoon.
Episode 4
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.
Episode 5
Chae Woon is critically injured during the shoot-out. The secret laboratory in BF's basement begins the operation. Chae Woon recovers swiftly, but there seems to be something wrong with his hearing.
Episode 6
The hacker's body is found. Ja Yu does not understand why he attacked her company. Chae Woon and Ho Seung retraces the hacker's and find an individual who was close to him. But strange things happens when they try to meet this individual.
Episode 7
Former soldier Chaewoon suspects a mole in biotech company BF. Seeking immortality, villain Seonu Jae plots to steal BF's artificial organ tech. After meeting Chaewoon, Jae accelerates his sinister plans.
Episode 8
Chaewoon joins BF to expose their illegal organ trade. His handler betrays him, leading to his firing. Seonu Jae and his father also uncover BF's secret, complicating matters.
Episode 9
Chaewoon finds out the culprit behind the terrorist attack. He needs to go abroad to find concrete evidence. Worried about the bombshell Jayu dropped, he begs her not to receive surgery and goes abroad.
Episode 10
Jayu fails to keep her promise to Chaewoon. An extensive surgery involving AIs is carried out in BF's basement. The police seize and search BF as Seonu Jae planned. On San, the research director, tries to stop them from using the AIs, but the system crashes.
