While celebrating Tricia's birthday, Sam is blindsided by surprising new information about Holly. Then, as Charity's lies continue to affect Tricia's social life, Joel makes a move with Brad… which leads to a misstep with Sam.

After reuniting with Joel at a funeral, Sam takes stock of herself and her actions – and decides to make things right with her best friend. Then, everyone comes together for an epic celebration of love and partnership at Fred and Susan's wedding.