This drama is about a police detective from 1986 travels in time to the present to save his daughter.
In 1986, Park Kwang Ho (Choi Jin Hyuk) works an excellent and enthusiastic detective. To save his daughter, he travels in time to the present day. Wherever he goes, he causes trouble and creates problems, but his antics are funny and bizarre because he is an old-fashioned detective from the past trying to adjust to life in modern day.