The Beeper (2011)
Kwang-Soo (Ahn Suk-Hwan) works for a Mobile Network Operator. His primary job is to get users to cancel their pager service and sign up for newer cellphone plans. Lee Hyuk (Seo Tae-Hwa) is one of the remaining holdouts. In order to persuade Lee Hyuk to cancel his pager service, Kwang-Soo makes a tri