Yong-chan and his friends embark on a big adventure to save tiny dinosaurs from greedy villains overtaking their peaceful island home.

A story about true friendships unfold on the fantastic island filled with Tinysaur. Long, long ago, a comet hit Earth, putting all of the dinosaurs on earth into extinction, and the dinosaurs were reborn as very small Tinysaur on an unknown island. Tinysaur friends including the brave Tricera, mischievous Tyranno, and sleepy Stego spend their time having fun playing football with acorns. One day, a group of evildoers begin to threaten the peaceful 'Tinysaur Island'... Who is eyeing the Tinysaurs? Will they be able to protect 'Tinysaur Island', the paradise on Earth from danger?—Korean Film Archive

Long before, dinosaurs on Earth disappeared due to asteroid collision. Dinosaurs came to life as small Tinysaurs on an island unknown. While some Tinysaurs like energetic Tricera, naughty Tyranno, sleepyhead Stego are having a great time, playing soccer with acorns, suspicious villains appear and start to threaten the peaceful island of Tinysaur... Where are these fishy stares coming from toward Tinysaurs? Will Tinysaurs be able to protect the endangered paradise, the Tinysaur lsland?