As Senator Collins pushes to make a public statement and announce a reward for any tips regarding the inexplicable disappearance of his wife, FBI Agents Kelton and Mei pursue leads that uncover elements that expand the scope of the investigation. Peter Manning, the man from Sara's past, remains determined to provide authorities with everything he knows, while the senator's ex-wife, Jessica Nevins, seeks to reconnect with their kids during this tragic and trying time.

While FBI agents Mei, Kelton and Tyner make some progress and clues seemingly come together, more enigmatic evidence is uncovered. An obvious suspect is brought into FBI headquarters for questioning, and it is discovered that Marcy has been keeping a little secret. Her suspicious mother, Jessica Nevins, offers parenting advice while Senator Jeffrey Collins copes with the unfolding nightmare as political pressure accelerates. Determined reporter Judy Nash visits Gloucester, MA, to learn more about who Sara Collins actually is.