Virgil takes bold steps in an attempt to find Leopold; the kidnappers are questioned by Mexican police; Knapp tries to identify Ellie's secret caller; and Conrad causes friction when he attends the funeral of the friend he's charged with killing.
New developments continue in the case as Knapp finds out that the Cains may have been tipped off about the possibility of Leopold's abduction ahead of time. Meanwhile, the FBI becomes suspicious of a link between King and Virgil Hayes; a potential infidelity comes to light; and Conrad goes to the public to make a plea to his son's kidnappers.
After Ellie's father (Robert Foxworth) is briefed about the abduction, he risks his own life by taking over negotiations. Meanwhile, Knapp and King discover some potentially useful information about the family's past; and Conrad is arrested on murder charges.
Knapp and King come across a major lead when they discover that the burned-out Schroeder Textiles building was rigged to explode. As they rush to locate the mastermind, Leopold scrambles to get to the cell phone he took from the doctor.
As Leopold's critically injured bodyguard, Virgil, is being prepared for surgery, Agent King (Delroy Lindo) notices something strange about the surgeon. Meanwhile, Knapp investigates the special bullet that injured Virgil; and Cain is questioned about the murder of his friend.
Despite their circumstances, the Cains are instructed to keep up the facade that all is well and hold their annual charity event. But Conrad, Knapp and the FBI grow suspicious of one of Conrad's childhood friends, who shows up without an invitation.
The Cains receive a package in the mail that leads them to believe that another one of their children might also be in danger. Meanwhile, Conrad meets with his father to delve into their family history and gain perspective on why they are being targeted. Aubrey: Olivia Thirlby.
Wealthy businessman Conrad Cain (Timothy Hutton) hires an unconventional investigator (Jeremy Sisto) to find his teenage son, Leopold (Will Denton), who has been abducted from a New York City street in broad daylight. Ellie: Dana Delany. Latimer King: Delroy Lindo. Virgil: Mykelti Williamson.