P4: are the new recruits in the violent crimes unit at Gangnam Police Station: The journey of four young cops as they fumble, learn, fall in love and find their way to becoming people the citizens can trust:
简介：P4: are the new recruits in the violent crimes unit at Gangnam Police Station: The journey of four young cops as they fumble, learn, fall in love and find their way to becoming people the citizens can trust:
