After a tragic event, two polar opposites, Seol Ji Hyun, a positive and social woman, and Cheon Soo Ho, a wealthy, short-tempered CEO, become entangled. Ji Hyun's life shatters after her sister dies in Soo Ho’s home, leaving her cold and hopeless. Feeling guilty, Soo Ho vows to use the six months he has left to help her. As he falls in love with Ji Hyun, they face the challenge of love