Special episodes of "Mouse" which will highlight the hidden narratives in the series that the audience may have missed.

A psychopath's ruthless serial murders have left the entire nation gripped with fear and chaos. A honest and justice-seeking rookie police officer and a veteran detective with tragic past, face against the killer. After the encounter with the psychopath, their lives totally change.

When a devil-worshipping criminal network plunges Seoul into chaos, the police turn to Holy Night—a trio of supernatural demon hunters—to restore order and defeat the rising evil.

No Mu-jin is a labor attorney who happens to see ghosts. After coming back from the brink of death, he begins solving labor problems requested by ghosts.

This is a romantic comedy series about four boys at the ages of 9, 19, 29 and 39 who each confront different challenges in love and work at the cusp of a new decade in their lives.