Cautiously hopeful when a witness comes forward with information about Anthony, Luke and Helen set off on their own to search for their son while Henry becomes obsessed about an item Anthony left behind.

Henry asks Fred for help in decoding the clues left by Anthony’s abductor. Luke and Helen still believe their son's disappearance is related to Henry's past. Susan makes an important discovery and issues an Amber Alert.

The police and the Sullivans race to find Anthony.