Sparks fly when Vanya finds her siblings holding an emergency family meeting without her. Five starts his new job at HQ. Cha-Cha faces a dilemma.

An incident at the bar leads Luther to Vanya. Five finds an unsettling surprise in the film Hazel left behind. The cops come after Allison's husband.

After Five travels to 1982 to carry out his new mission, the siblings face a flurry of difficult decisions. Carl issues a warning to Vanya.

A desperate Five concocts a risky plan to intercept another version of himself. The FBI tortures Vanya. Diego discovers what causes the apocalypse.

As the Fives plot against each other, one of the siblings makes a big sacrifice to help Vanya, and Lila learns the truth about her parents.

Reeling from the events at Dealey Plaza, the siblings head to the farm to help save Harlan — only to find themselves drawn into a deadly showdown.

Luther and Sloane hatch a plan to end the war between the families. Viktor reconnects with someone from the past. Five has an unsettling encounter.

In 1989, Lila digs up one of her mother's secrets. The families join forces to fight the Kugelblitz. Reginald teaches Klaus to harness his powers.