Just as Cassie begins to move in a new direction with Sam, Middleton's annual Lights Festival brings illuminating changes.
The people of Middleton are in final preparations for the its annual Lights Festival, just as Cassie and Sam see sparks fly between them at his new lake house. However, John pressures her to join him on his adventure in the Maldives, and her future remains in question. Meanwhile, after Sam finally gives Nick permission to go to London, Grace senses her friend is having second thoughts about leaving his dad, but her plan to help him could backfire.
At the bistro, Cassie helps Stephanie discover Ben's true feelings about commitment, while back at her shop, Cassie's instincts lead her to give a conflicted Tara a new beginning. Abigail volunteers to take over as the official festival planner, but doubts soon circulate about whether she is up to the job or up to something else. Also, just as Cassie and Sam decide to let their kids in on a secret, they find their big revelation may have already come to light.
