Seohyun ~ ah, a typical girl who lives with a typical family and has a complicated, typical life. Cho Kyuhyun, a rich guy who lives with a rich family and has a very lucky life. Two people, met in a random place with random smiles. They became friends, more than friends. Well, they became lovers. People can affect their perfect relationship into an imperfect relationship. A complicated one. Witness their lives with the same feelings for each other. Will their relationship be saved?