Determined to regain control of her life in the aftermath of Noah's death, Isobel makes a risky choice despite its potential consequences. Alex and Michael work together to unravel the mystery surrounding the night Nora's spaceship crashed in 1947.

Jones fills Michael and Isobel in on bits from the past as they look for a way to save Max’s life. Meanwhile, Maria goes to extremes to try and stop a murder, and in order to move forward in her research, Liz will have to face her past.

Liz needs Rosa's help. Maria learns what Jones wants from her. Michael and Alex team up to help save Max.

Liz and Max continue to search for a way to stop Jones. Michael is worried about Alex and elsewhere, Isobel finds a big piece of the puzzle.