Faith has it all as a mother and wife, but a year after what she believes was a car accident, Faith discovers that she is an Army special ops lieutenant with classified information.

When thieves rob the garage sale of suburban mom Marcia, a struggle ensues, and one of the thieves is killed. Unbeknownst to Marcia, the dead thief's sister returns, masquerading as a kind neighbor - with a vengeful plan to destroy M