The fourth addition to the franchise sees the return of the army boys including Sergeant Ong, Lobang, Ken Chow and Aloysius, joined by a new female officer, as they are called back for in-camp training under the Armoured Formation of the Singapore Armed Forces. Hilarious situations happen when they are back training together and their military roles reversed. Their brotherhood is also put to the test when new enemy threats arise.

Ah Boys to Men 4

WHAT IF, in the unforeseen future, when there are not enough boys in Singapore? If Girls have to serve National Service also, what will happen? The story will focus on the first batch of female recruits, a bunch of Gen Z teens and youngsters with different backgrounds and education. As they trained under the fierce leadership of Sergeant Chow and Lieutenant Roxanne, they find themselves being pushed to the limit of their potential. Together, they overcome hardship and initial resistance to serve NS and discover newfound abilities, using it to solve and mend relationships in their personal life as well.