Shim Hyung-Rae's the Rank and File(1990)

When young boys, who are practicing traditional martial art in Shaolin Temple, return from outing in secret to their master, they find that Ttol Ttol Yi fall down to the present days where he makes friends with a boy called Aram and his friends. As they tries to drive out tricksters on the street, the tricksters kidnap Yi Seul Yi, Aram's sister and disappears. While those who are in Shaolin Temple starts to look for girl Kang Shi to fetch Ttol Ttol Yi from the present days. Ttol Ttol Yi, his friends and girl Kang Shi clear out the kidnappers and save Yi Seul Yi.