In You Who Came From the Stars, episode 15, Lee Hwi Kyung(played by Park Hae Jin) found out about Lee Jae Kyung(played by Shin Sung Rok)’s evilness. Hwi Kyung woke up from a coma not long after. Do Min Joon(played by Kim Soo Hyun) noticed this and turned the lights off so Jae Kyung would not know. The two started to have a conversation. Jae Kyung talked about his secrets about Han Yoo Ra(played by Yoo In Young)’s death and his ex-wife to Min Joon. Hwi Kyung overheard this and found out about his brother’s evil deeds.