Glue (2014)

Ja Young arrives at Hanmyeong Electronics in Changin and smacks Se Gwon across his head for sending Ban Seok to work in HR when he has no experience in the field. Meanwhile, Ban Seok finds out that Se Gwon had secretly switched a part in the vacuum robot to pin the malfunction on him. Nevertheless, Ban Seok tries working in HR even without Ja Young's support.