Chae-won is an art school graduate who teaches students applying for college at a private instruction school. She still remembers her first love Jung-woo from her junior days. Now there is a man named Kang Jae-seop in her life. He's been a top student throughout despite being from a poor family lacking resources and is an officer at a prestigious firm at a tender age, a testament to his abilities. She felt she could lean on a man like that for the rest of her life but then Jeong-wu reappears.
彩媛和在碩是青梅竹馬,在碩總是默默地守在彩媛身邊。某一天,正友轉到彩媛的班級,他們三個人成爲好朋友。彩媛和正友因一個吻,形成甜甜的初戀,在碩黯然地退出。沒幾天後,正友要搬家卻沒告訴彩媛,只將他養的白文鳥送給彩媛。搬家那天,彩媛追上貨車並送給他一幅畫,正友拿下彩媛的髮夾,約好下次見面再還給她。彩媛一直等不到正友的信,因為被在碩的妹妹偷拿走了,在碩雖然發現,卻沒有將信放回去。
多年後,彩媛和在碩成爲情侶,正友考進在碩的公司,他們兩個相遇了,在碩對正友隱瞞彩媛的事,也沒有對彩媛提起這件事,但正友和彩媛最後還是相逢了…
彩媛與正友命運般的愛情,彩媛與在碩努力的愛情,兩者究竟哪一個接近愛情本質?此外,還描寫在碩哥哥愛上患有不治之症的女人,所做出犧牲奉獻的愛情,以及彩媛父親的黃昏之戀與初戀……等。