A girl named Kioko, a medical technologist, traveled the country of Kuala Lumpur, Malaysia, and bumped to a guy named T.O.P. At first they were not in good terms until they fond each other as travel buddies. They went to different beautiful places in Kuala Lumpu until T.O.P. invited Kioko to go with him to the famous "The Petronas Tower". Kioko made the incident between them as a memorable one when she went back hom to the Philippines.

In her country, Kioko met the famous hotel businessman tycoon, Park Yoochun, who she had misunderstandings and unexpected situations until Kioko finds out about Yoochun's dilemma and his life. Kioko managed to see the softness and gentleness of Yoochun when they went out together. But, Daesung, Kioko's co-worker in the laboratory, his jealousy make him more aggressive and wanted make Kioko as his girlfriend.

However, the life of Kioko began to get complicated when T.O.P. and Yoochun falls in love with her. But, being just a nobody in society, how will Kioko tend on her heart when two guys wanted to steal her heart and be with forever?