Song Ji Hye, being the blur queen, have a best friend name Namu, who have been your childhood playmates, elementary buddy, middle school best friend, high school bestie, till now the college soul mate. 

She and Namu had been the best soul mate to each other, no secret between them and know what they are thinking even without saying.

However, being the blur one, she didn't know her namu, actually had been hiding one and only secret from her all along... which is being a member in INFINITE.

yes.. she is that blur till she don't know actually the nam woo hyun is namu himself.. so...what will happen next??