The woman who wants a love that beats in her heart Han Tae Jin was forced to end the relationship with her and provided a crazy reason for the break up because he will soon serve a jail sentence. In a ludicrous twist of fate, Park Do Kyung learns that the revenge he pulled on his ex-girlfriend’s supposed boyfriend who left him on their wedding day went to Oh Hae Young’s fiancé because they have the same name and attended the same high school. He has been seeing vivid visions of a woman whom he never met before – and who turns out to be Oh Hae Young. The hot neighbor is Park Do Kyung (Eric Moon), a sound producer who has been seeing a psychiatrist. Thus, she ends up renting a space with an unblocked door connecting to a neighbor tenant. Passing on to the stages of grief, Hae Young’s parents can’t keep up anymore with her craziness and forces her to be kicked out of their house. But, Oh Hae Young pleaded for him to make it appear that she halted their marriage plan. They think of how everyone they know will think about the current situation not knowing that it was the fiancé, Han Tae Jin (Kim Ji Seok), who called off the wedding. Her parents, who can’t understand why she canceled her wedding when she’s at the ripe age to get married, are inevitably upset. The day before her wedding, Oh Hae Young (Seo Hyun Jin) tells her parents that the wedding will be canceled because of her change of heart.