Dara and Yoochun Park are twins. They were a team and the only family they ever needed. But a new town changes their comfortable dynamics, as Yoochun is compelled to slip out of his new school because of his needy girlfriend, so he seeks out his twin sister's help. 

When Yoochun asks his sister to pose as him, Dara finds herself in a tight situation. Soon, Yoochun welcomes Dara into the world of "Dudes". Where basketball, girls and bro's are all included. 

But being your brother is not an easy task. Dara finds herself in awkward encounters, drunken mishaps, and in the company of many....... many, many love triangles. 

Add a couple of oblivious parents, a ator, a double life, a group of kids known as Intimidation Nation, and two boys vying for your affection. And you have Dara's not so normal life.