Sleepless Society: Insomnia

Aiya suffers a severe insomnia condition and dream-reality confusion due to a tragic past. To end this, she has to go back to where it all starts.

Aiya is warned not to go back but she is determined to dig up the past. She arrives at the island to meet with old friends who are unhappy to see her.

Aiya unknowingly walks into a murder scene that she mistakes to be a nightmare. When it's proved to be real, her friends agree to help find the truth.

Aiya and Faye reconcile over a heartfelt conversation. Win finds an old diary link to Aiya's mom while Faye also finds more clues about a riddle.

Aiya begs Sakka to tell stories about her mom but his wife intervenes. Suspicion grows while Aiya starts to remember something about the monk.

The monk finally shares his stories but it may not be the whole truth. Aiya's friends who wanted to help initially try to distract her from the case.