1. | Episode 1 A shocking incident occurs on the day Yun Jayu presents her new product. Then Chaewoon appears. | English, English [Audio Description], Korean, Korean | Chinese (Traditional), Dansk, Deutsch, English [CC], Español, Español (Latinoamericano), Français, Greek, Italiano, Japanese, Korean, Magyar, Nederlands, Norsk, Polski, Português, Português (Brasil), Română, Slovenčina, Suomi, Svenska, Türkçe, Čeština | UHD |
2. | Episode 2 Chaewoon becomes Jayu's bodyguard. Seonu Jae has the key to this case. Chaewoon finds a lead. | English, English [Audio Description], Korean, Korean | Chinese (Traditional), Dansk, Deutsch, English [CC], Español, Español (Latinoamericano), Français, Greek, Italiano, Japanese, Korean, Magyar, Nederlands, Norsk, Polski, Português, Português (Brasil), Română, Slovenčina, Suomi, Svenska, Türkçe, Čeština | UHD |
3. | Episode 3 Jayu suspects the hacking was an inside job, and she even disbelieves Chaewoon. | English, English [Audio Description], Korean, Korean | Chinese (Traditional), Dansk, Deutsch, English [CC], Español, Español (Latinoamericano), Français, Greek, Italiano, Japanese, Korean, Magyar, Nederlands, Norsk, Polski, Português, Português (Brasil), Română, Slovenčina, Suomi, Svenska, Türkçe, Čeština | UHD |
4. | Episode 4 The hacker is found dead, and Jayu is suspected of being responsible. | English, English [Audio Description], Korean, Korean | Chinese (Traditional), Dansk, Deutsch, English [CC], Español, Español (Latinoamericano), Français, Greek, Italiano, Japanese, Korean, Magyar, Nederlands, Norsk, Polski, Português, Português (Brasil), Română, Slovenčina, Suomi, Svenska, Türkçe, Čeština | UHD |
5. | Episode 5 In a life-and-death situation, Chaewoon is moved to a hidden laboratory in BF's basement. | English, English [Audio Description], Korean, Korean | Chinese (Traditional), Dansk, Deutsch, English [CC], Español, Español (Latinoamericano), Français, Greek, Italiano, Japanese, Korean, Magyar, Nederlands, Norsk, Polski, Português, Português (Brasil), Română, Slovenčina, Suomi, Svenska, Türkçe, Čeština | UHD |
6. | Episode 6 Just when Chaewoon thinks he found a lead, he faces with an even bigger tragedy. | English, English [Audio Description], Korean, Korean | Chinese (Traditional), Dansk, Deutsch, English [CC], Español, Español (Latinoamericano), Français, Greek, Italiano, Japanese, Korean, Magyar, Nederlands, Norsk, Polski, Português, Português (Brasil), Română, Slovenčina, Suomi, Svenska, Türkçe, Čeština | UHD |
7. | Episode 7 The police suspect Chaewoon and arrest him. Seonu Jae takes interest in Chaewoon. | English, English [Audio Description], Korean, Korean | Chinese (Traditional), Dansk, Deutsch, English [CC], Español, Español (Latinoamericano), Français, Greek, Italiano, Japanese, Korean, Magyar, Nederlands, Norsk, Polski, Português, Português (Brasil), Română, Slovenčina, Suomi, Svenska, Türkçe, Čeština | UHD |
8. | Episode 8 In order to unveil the spy's identity, Chaewoon reveals the real reason why he joined BF. | English, English [Audio Description], Korean, Korean | Chinese (Traditional), Dansk, Deutsch, English [CC], Español, Español (Latinoamericano), Français, Greek, Italiano, Japanese, Korean, Magyar, Nederlands, Norsk, Polski, Português, Português (Brasil), Română, Slovenčina, Suomi, Svenska, Türkçe, Čeština | UHD |
9. | Episode 9 Chaewoon parts ways with Jayu to find concrete evidence. He makes a promise with her before leaving. | English, English [Audio Description], Korean, Korean | Chinese (Traditional), Dansk, Deutsch, English [CC], Español, Español (Latinoamericano), Français, Greek, Italiano, Japanese, Korean, Magyar, Nederlands, Norsk, Polski, Português, Português (Brasil), Română, Slovenčina, Suomi, Svenska, Türkçe, Čeština | UHD |
10. | Episode 10 Jayu, critically injured, undergoes surgery on the operating table in BF's basement. | English, English [Audio Description], Korean, Korean | Chinese (Traditional), Dansk, Deutsch, English [CC], Español, Español (Latinoamericano), Français, Greek, Italiano, Japanese, Korean, Magyar, Nederlands, Norsk, Polski, Português, Português (Brasil), Română, Slovenčina, Suomi, Svenska, Türkçe, Čeština | UHD |