Old Movie "The Signal"

Little fresh meat and old beautiful female police partner,

When he was a child, he had an older brother who had been wronged, and when he was young, he had a beloved predecessor who had been killed.

They were wearing small shoe stalls on an old case task force.

Goldfinger is a walkie-talkie that travels through time and space,

The predecessors of the little fresh meat and the female police, a few days before the start of each major case, can talk for one minute every night at 11:23 pm.

If you succeed in changing the past, you will change now, some better and some worse,

One old case after another is not necessarily solved when it is opened,

And behind it are the big bosses of the Korean power class,

The black hand is directly inserted into the upper echelons of the police department.

It's just such a framework, not much spoilers,

If you like this type, you can search for it