The relationship of childhood sweethearts Cha Song Joo and Hang Jung Suh becomes complicated when Jung Suh's father remarries. Along with a new stepmother, Jung Suh also has a new introverted stepbrother, Han Tae Hwa and a scheming stepsister, Han Yuri. Gradually, Tae Hwa falls in love with kind-hearted Jung Suh and Yuri decides to pursue Song Joo. Nothing can shake the bond between Jung Suh and Song Joo, however, not even