In 1862, a young scoundrel named Gemstone joins ranks with the Confederates as a preacher, but a case of divine intervention changes the sinner's path for good.
In the wake of their father's semi-retirement, Jesse, Judy, and Kelvin must deal with dwindling attendance and donations; Eli is visited by another figure from his past.
Eli does his best to smooth over relations with the Montgomery boys after a visit to their doomsday prepper compound; back at the Salvation Center, the siblings face off against the Board of Ministers.
Jesse waits to be inducted into a secret organization as Judy deals with unwelcome attention; Kelvin deals with Keefe rumors; Baby Billy breaks an important promise.
The Gemstone siblings reconnect with their loved ones... and each other; as the Montgomery militia fractures from within, Chuck weighs his options while Peter hatches a new plan.
As Jesse eyes a business opportunity with an Evangelical couple on the rise, the media cracks down on a fellow preacher; Eli reconnects with a figure from his mysterious past.
After doubling-down on their efforts to invest in Zion's Landing, Jesse and Amber scramble for the cash; Eli's attempts to dodge a big-city reporter spell doom for the Gemstones.
Still reeling from their father's revelation, Kelvin and Jesse conspire to put Eli in his place; as BJ's baptism approaches, Judy clashes with her in-laws, while Baby Billy struggles with his own growing family.
With Eli temporarily out of the picture, the Gemstone siblings are left to quarrel over who's in charge, until some wise words help pave a way forward; as Tiffany tracks down Baby Billy, Gideon faces his future.
After returning from a baptism marathon in China with his father and brother, Jesse Gemstone receives a video from blackmailers looking to ruin his reputation.
Aimee-Leigh's elderly brother Baby Billy returns to the Gemstone ministry; Jesse closes ranks on his co-conspirators to discover the identity of his blackmailers.
Judy and Martin take Gideon behind the scenes of the Gemstone enterprise; Eli tasks Kelvin with doing a satanic sweep for Dot, the rebellious teen daughter of the church's biggest donors; Chad's wife finds some disturbing emails.
In 1989, young Jesse, Judy and Baby Billy learn that Aimee-Leigh is pregnant and deal with the news in their own unique way; Eli looks to grow his family's prospects.
Eli informs Jesse, Kelvin and Judy that they'll each need to be front and center for Easter Sunday service, their biggest telecast of the year; Judy's deference to Baby Billy threatens her relationship with BJ and with her family.
Jesse deals with the fallout of the dramatic events of Easter Sunday; Judy attempts to win back BJ after receiving some harsh words from Baby Billy; Kelvin has a crisis of faith.
Eli questions his children's future in the Gemstone ministry; Jesse struggles to keep his marriage together; Judy opens up to BJ about her past; a disillusioned Kelvin embraces his dark side.