Synopsis
Dong Su was on the verge of giving up his life 15 years ago when he first met Mr. Jang. To right the injustice done to Min Ho, his son, Dong Su tried everything but failed. Mr. Jang helped him with all his might, but Dong Su just disappeared one day. Hearing the story, the Rainbow Deluxe Taxi takes on the case and starts digging into the old case.