A Beginning (S01E13)

Abby is growing restless at the grange and begins to contemplate reigniting her quest to find her son. Following a heated argument with Greg about taking in a sick girl named Ruth, Abby decides to head to Waterhouse in search of Jimmy Garland. Meanwhile, Greg and Arthur embark on their initial steps to unite the various communities that have emerged since "the death." Once Ruth recovers, Greg and Jenny learn that she was once a medical student and that she has some shocking revelations to share with them...