After meeting with a genius programmer, college student Moe Nishinosono plans a class retreat.

The students make it to Himeka island for their retreat but the trip quickly takes a dire turn.

The group tries to figure out what happened to Dr. Magata.

Saikawa, Moe and the group look for clues about Dr. Magata.

The director's wife reveals details about Dr. Magata's past; Moe struggles with something Magata told her.

Moe and Saikawa start to regroup in order to start their investigation anew.