A defiant Levi returns in the face of public criticism of the show. Ohio boss Merlin is threatened when a rival is released from prison. Caleb becomes increasingly frustrated with Levi's lack of respect and decides to accept an offer from Alan.
As rogue Mennonites invade Lancaster, Levi receives frantic calls from the Bishop to return home. Merlin creates an Ordnung to save Lancaster and confronts the Governor of Pennsylvania.
The elders ask Levi and Merlin to join forces to protect the Amish from outside threats. Levi then mobilizes the Amish to vote for the first time ever, while Merlin and Mary go after one of Doug's men.
A long-held Amish secret is put in jeopardy of being exposed. As the Mennonites attack Levi’s businesses, tensions arise between Alan and Doug over broken promises. Merlin continues his holy pursuit and puts pressure on Levi to pony up funds.
Levi asks the bishops for an Ordnung change. Doug and Alan track down a deacon who's collecting and misusing Amish Aid, while the constable attempts to find out why Levi has been socializing with an English woman.
The auction looms as Levi and the Mennonites battle for the Book of Menno. The constable steps up his investigation into Levi, while Merlin and Mary confront uncomfortable truths about their Amish upbringing.
With the election for governor approaching, Levi wants to know who blew up his car. Susanna pays Levi an unexpected visit. Doug orders Alan and Caleb to exact revenge on Levi, while tensions between Alan and Doug escalate.
The Amish Mafia's and Levi's biggest secrets come to light. After Doug abandons his followers, Alan decides to fill the power vacuum in Lancaster and take care of the community his way.