Older Sister) is a 2019 South Korean action film directed by Im Gyeong-taek.

[2][3] In-ae, a former hand-to-hand combat instructor in the Korean Army, works as a female bodyguard.

Three classmates force Eun-hye to hook up with older men, take them to a hotel room, leave the door open and then call from the bathroom.

This is the signal for three guys to enter come the room and attack and rob the seduced man.

The film debuted in seventh place with 62,000 admissions (US$476,000) and 172,000 tickets sold (US$1.38 million) overall.