Pamela Miller (Pam) is a married lady who lives separated from her Husband Jeremy Miller, who is a city police officer.
Pam works as a call center operator for 911 emergencies. They together have a daughter Cassie, whose custody is with Pam for the time being, till they are officially divorced.
One day, a notorious criminal Richard (Ving Rhames) kidnaps Cassie and calls 911 only to connect with Pam, whom he wants to send her estranged husband, Jeremy the cop to certain locations, where he can be killed. Richard doesn't allow Pam to hang-up the call and answer other incoming emergency calls, leading to a physical conflict with a office coworker.
Jeremy and his partner are able to figure out that someone is playing with them, after meeting a series of mishaps and accidents, and also receiving a text message from Pam, indicating that Cassie was kidnapped.
In the end, Jeremy is able to save Cassie and eliminate Richard.
