Amidst a worldwide zombie apocalypse, genius researcher Doctor Hwa Seok’s predecessor has been murdered. Now, Hwa Seok has been assigned the best bodyguard the military can offer, but Major Suhwan Kwak certainly has better things to do than protect a delicate, oddball scientist—like getting him into bed, for example. Doctor Seok can tolerate Major Kwak’s brash, crass, and impassioned behavior, but with a murderer at large, can he trust him with his life?