Miss Night and Day

Mi-jin begins work at the Prosecution Service as Lim Sun, running into Gye Ji-ung again. He later investigates a crime scene that leads to a wild chase.

Sun reports to duty in Ji-ungs office, where she tackles every test thrown her way. Ji-ung prepares Mi-jin for the dangers she may face as a witness.

Mi-jin faces a crisis as she begins to transform into Sun in front of Ji-ung. Later, they make progress in a drug case after confronting violent youths.

Ji-ung tracks a suspicious person working within his office. Mi-jin, attempting to look into Ji-ungs document, shares an intimate moment with him.

The investigation into the hospital yields suspicious evidence. Ji-ung begins to feel uncomfortable about Mi-jin and Ko Wons relationship.

After Mi-jin oversleeps, she faces her family and Ji-ung as Sun — having to confront her secret. But soon, she deduces the identity of the killer.

With nothing left to hide, Mi-jin contemplates her future. After she testifies in her attackers case, Mi-jin and Ji-ung reconsider their relationship.