My Man is Cupid season 1 episode 12
Episode title: The Reason You Are in Front of Me Now
Jae-hee informs Baek-ryeon that Sang-hyuk is not human, and Baek-ryun suddenly remembers Sang-hyuk's missing hand. Meanwhile, she realizes that she forgot to climb the mountain one last time so she goes to Inwang mountain to complete her mission. Jae-hee and Sang-hyuk also head there to find her.
