Wong, bodyguard to a tycoon, is fired by his boss's son after he fails to save his boss. Now, the assassins are after the son, who takes refuge in a slum. Wong, meanwhile, tackles the villain's goons.
In the wake of a deadly SARS outbreak that's turned ordinary folks into flesh-eating zombies, Thailand stands alone as the only nation to block the pandemic. That is, until the virus finds its way into a crowded Bangkok apartment complex.
Boonchu fails to pass the entrance exam for the university so he goes back home. With the help of Head Monk at Suphan, Boonchu is able to return to Bangkok to prepare for his next entrance exam. There he meets his girlfriend Molee and assists her in finding sponsors for her volunteer activities project. Once again, the gathering of Boonchu and his friends bring about hilarious hijinks.