A young maidservant named Liu Ying saves a snake on behalf of her young mistress in a chance encounter. However, the snake turns out to be a thousand year ancient dragon named Yuchu Longyan, who now wants to marry her to repay her kindness. The two's lives then becomes entangled with each another as their love transcends over three lifetimes.

Struggling to cope after a move to the city with his mother, Elmer runs away in search of Wild Island and a young dragon who waits to be rescued. Elmer’s adventures introduce him to ferocious beasts, a mysterious island and the friendship of a lifetime.