Seoul University junior Yoo Hana expected nothing to come from her drunken one night stand with Exo frat boy Park Chanyeol.  However, when she unknowingly takes the frat's "lucky shirt" as a coverup for her journey home, mystery and chaos ensue throughout the entire campus.  With a whole frat trying to find her, Hana and her housemates must sneak the shirt back to Exo without anyone noticing because if they do, some deathly form of social torture will be awaiting them.

Even as royalty, Yuna was not used to being noticed.  So, when  godly handsome Prince Kris appears and demands her hand in marriage, she is at loss for action.

In the midst of a time machine mishaps, Lee Ara finds herself (and her two stupid friends) in Ancient Egypt, being persued by handsome pharoah Baekhyun.  Without a way to fix their now-broken time machine, Ara, Luhan, and Xiumin are forced to remain in 1500 BC where a major war is underway.