Cha Jung Han (Oh Ji Ho) is a detective for a special investigation team. He is busy with investigating violent cases including drugs and gangs, but one day he took his niece, Eun Ae in and struggles to raise her.
Meanwhile, Han Ye Seul (Lee Soo Kyung) is a single mother who raises her 5-years-old son alone. She is Cha Jung-Han’s first love.
