Legend has it that there is an island in the deepest part of the sea. There is a mountain on the island.
There are many residents on the island, living leisurely and happily.
There are two sects on the mountain. Each of the two sects has some disciples. They are independent from the world and come out of the world... Probably.
The story begins when the senior brother of the Lan Yin family abducts his junior brother to go out to work...