Liz is forced to revisit a painful part of her past when her mother Helena shows up at the diner unexpectedly. Michael urges Maria to seek help after she experiences a strange vision, and Kyle's attempt to get Steph to open up doesn't go as planned. Finally, Helena's arrival in Roswell sends Rosa spiraling.

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.