Handphone (2009)

Cast
Park Yong-woo (박용우) as Anonymous man, Jeong Yi-gyu (익명의 남자, 정이규)
Eom Tae-woong (엄태웅) as Entertainment agency representative, Oh Seung-min (연예기획사 대표, 오승민)
Park Sol-mi (박솔미) as Kim Jeong-yeon, Seung-min's wife (승민의 아내, 김정연)
Hwang Bo-yeon (황보연) as Kim Dae-jin (김대진)
Lee Se-na (이세나) as Actress, Yoon Jin-ah (여배우, 윤진아)
Park Gil-soo (박길수) as President Choi (최사장)
Lee Seung-joon (이승준) as Kang Myeon-sik (강명식)
im Goo-taek (김구택) as Man in training clothes (츄리닝 남)

Trailer

Synopsis
Talent manager Seung-min sees YOON Jin-ah, a rising actress, as his one last hope to turn his life around. Just as Jin-ah is on the path to stardom, he receives a threat from her former lover and gets her sex clip on his phone. Seung-min tracks down the culprit and retrieves the tape but ends up losing his phone. He realizes there is one last evidence of the sex tape on his phone and anxiously looks for it. Lee-gyu, who found Seung-min's phone, calls Seung-min's wife and asks her to come pick it up. On the night the phone was suppose to be returned, Lee-gyu doesn't show up. Now Lee-gyu is the one holding the leverage. Seung-min tries to do everything possible to get back his phone but Lee-gyu's demands are escalating to the point of no return.