As Kevin remains missing, Mick, Nell and the rest of the O'Brien family nervously wait for more news, while Abby goes to New York to fight for custody of her daughters.
Trace returns to Abby after three months on tour only to discover a family in turmoil; Mick ends the fight over the family trust but begins a feud with Connor.
Tension between Elizabeth and her new students continues. Meanwhile Lee and Rosemary fight about Rosemary learning to drive, and Abigail struggles to hold the cafe together while the railroad's commissary thrives.
