Various issues are troubling the O'Briens. Mick is in denial about his addiction. Margaret passes the bar. Jess pursues a new idea, and Bree tries mending the rift between her and Luke.
Elizabeth goes on a trip with Lucas and must come to terms with her growing feelings for him. Jesse and Clara adjust to married life and sharing a home. Lee and Rosemary are challenged with taking care of a fussy Little Jack. Nathan grapples with his emotions for Elizabeth.
Walden arrives back in town, putting more pressure than ever on Lucas and the residents of Hope Valley. Bill comes up with a plan to stop Walden. New investors arrive from the oil company.
