After uncovering a surprising connection to their past, Michael and Isobel learn the painful truth about the night Tripp attacked their mothers. Meanwhile, Alex confronts his father about their troubled family history. Elsewhere, Kyle's first date with Steph takes an awkward turn after Liz inadvertently becomes a third wheel.

Driven by the prospects of her scientific research, Liz opens up to Diego about all the good her findings could do. Meanwhile, Max enlists Kyle's help getting to the bottom of the recent abductions, while Michael does his own investigating into Alex's disappearance. Elsewhere, after learning more about her mother Louise, Isobel pays a visit to Rosa, in hopes that Rosa could help her begin to heal.