Ending millions of years of humans eating animal meat, BF now dominates the genetically engineered cultured meat market. There are people inside BF and outsiders who begin to have doubts about the path taken by BF CEO Yoon Ja Yoo. Yoon Ja Yoo founded BF with On San, who has a Ph.D. in physiology.Meanwhile, after graduating from the Naval Academy, Woo Chae Woon served in the army, but he now works as a bodyguard.