Diary of a Night Watchman

Ghosts invade the peaceful palace in the capital after the barrier is destroyed by a meteorite.

Sadam casts a spell on King Haejong, and great tragedy befalls the palace as the king goes mad.

Ddung-Jungseung, Song-Naegwan, and Rang-Yi cross the River Styx and return to stay by Yi Rin's side.

Yi Rin helps Do Ha free herself from a cage, but she betrays him as soon as she is out of the place.

Yi Rin lies to his half-brother Gisan-gun, saying he can't see ghosts, but is caught in the lie.

Do Ha helps Yi Rin climb back up to safety, and the Ghost Trio tells Yi Rin and Do Ha to run away.

Gisan-gun suspects that Park Su Jong is hiding Yi Rin and questions him about gathering his troops.

Ok Mae calls for Cho Sang Heon while Yi Rin brushes past Cho Sang Heon after a tussle with Doha.

Concerned about Do Ha's wound, Yi Rin tries to walk out with her, but Sang Heon catches them.

Yi Rin asks Sang Heon why his father went crazy, but Sang Heon turns his back and gives no answers.

Yi Rin tells Sang Heon about Sa Dam, and Sang Heon tells Yi Rin the truth about King Haejong.

Yi Rin asks Mu Seok to join him and defeat the Smallpox Demon. Meanwhile, Su Ryeon gets tortured.

Yi Rin tells Gisan-gun that Sa Dam is the true cause of the plague, but Gisan-gun doesn't believe him.

Court Lady Kim tries to deliver a message to Yi Rin while he tells Gisan-gun about bringing his grandmother.

Yi Rin tries to find the letter that is written in his mother's blood, but Rang Yi dissuades him.

A demon exudes ghastly energy as he watches Yi Rin sleep, and the black energy goes into his ears.

Yi Rin frees himself with Do Ha's help, and the two conspire to trick Sa Dam and eliminate him.

Sang Heon checks the two Do Has for the Night Watchman mark, but they both wear the brand.

Gisan-gun is shocked that ghosts are killing people in the palace. Yi Rin and Do Ha offer to fight the ghosts.

Park Su Jong launches a coup in the name of saving the country and marches into the palace.

Park Su Jong orders the arrest of Yi Rin, and Yi Rin tries to tell the people that this coup is meaningless.

Park Su Jong threatens to soak the palace in royal blood unless the Queen Mother hands over the royal seal.

Park Su Jong gets his hands on the royal seal, and Yi Rin draws his blade as the guards charge at him.

Sadam gets excited that the dragon is ascending. Meanwhile, Yi Rin tries to destroy the awakened serpent.