Tune in for "Who Is Simon Miller?" August 6th at 8/7c on NBC. It's an action-packed thriller about one family's mission to find out the truth about their father.

The Millers were an ordinary family living an ordinary life. That is, until the day Simon Miller went missing. Now wife Meredith, daughter Sarah and son Kevin must embark on a perilous mission to find him. But what they soon discover creates more questions than answers.

This heart-pounding thriller takes you on a family's journey and tests the limits to which the Millers will fight for each other—putting their trust, loyalty and forgiveness to the test.