The Nohara family is on a cruise heading towards a tropical island when suddenly the ship is invaded by a large group of monkeys. The simians capture all adults and take them to a nearby isle while leaving all children behind. It is up to Shin-chan and his friends to find and save the grown-ups.
In Japan, the vampire-hunter Saya, who is a powerful original, is sent by her liaison with the government, David, posed as a teenage student to the Yokota High School on the eve of Halloween to hunt down vampires.
Rocky and Bullwinkle have been living off the finances made from the reruns of their cartoon show. Boris and Natasha somehow manage to crossover into reality and team up with Fearless Leader, an evil criminal turned media mogul with some evil plans up his sleeve.
In India, open romance is forbidden, as is showing affection in public. A college principal named Narayan is a strong believer in this, aware that a male student named Vicky is in love with Ishika; while another male student is hopelessly in love with Sanjana; and a third man named Karan is in love with a married woman named Kiran.