When infected people start to overrun the university and the authorities cut off all communications, it's up to the remaining students to find a way to survive by themselves.

San and Dr. Kanchana try to conceal the secret project. The students of the Faculty of Science and Communication Arts find a way to escape to higher ground to ask for help from outside, but the unexpected happens.

Ning helps Wiroj with secret research, but things go wrong. Pao is injured while fighting zombies. The remaining survivors find refuge in the gym to figure out a way to deal with the zombies, along with the PE students.

Aek, Korn, Non, San and Thorn observe the strange behavior of the zombies. Ning and Prao fight. The secret of Wiroj and Kanchana's research is revealed.

Thi notices something from the clip Non took. Wiroj brings the serum to help Kanchana. Ning and Jean start searching for the cause of the outbreak from Wiroj's lab.

The rest of the gym students team up to figure out how to deal with the zombies. The secrets behind San and Non's relationship begin to be revealed. Ning and Jean find a flash drive that Wiroj used to reveal the secerts of the Anisong project.

San, Non, Thi, Mook, and the rest of the group decide to fight by capturing the zombie Jit. Wiroj asks Pumtham to send help to Ning and Non. In the end, who will survive?