相佑跟姐夫住在一起，他在办公室里喜欢上了一个女同事，但他不敢表白，因为她似乎有男友，直到有一天，他等到了机会...

Sang-woo, who lives with his older brother, is actually related to his brother-in-law. He has his favorite co-worker in the office, but he can't confess because she seems to have a man. One day the opportunity comes, and all the work in question begins.