노량진고시촌에서시간강사를하며사는은혜는어느날스토킹을당하고놀란마음에사촌동생강태를불러들여보호자겸보디가드로함께살기시작한다.                                                                    재수생이던강태는열심히사는은혜의모습에점차호감을갖는다.                                  어느날,강태는절친태범과의술자리에서사촌누나에대한자랑을하다만취한다.                                                                    강태는태범에의해은혜와함께사는집까지만취한강태를부추겨오고                                  태범은은혜에게한눈에반해버리는데...