Isabella Rae Thomas

As Sarah and Luc's wedding day approaches, plans go horribly awry and the Walkers learn several surprising lessons about the true meaning of family.

Justin keeps the true paternal identity of one of his siblings hidden from the rest of the family and Scotty makes a shocking discovery that will bring a new life into the fold.

Nora finally gives in to her feelings for Brody. Meanwhile, Sarah and Luc discuss family matters and a chance encounter with Michelle raises Scotty's suspicions about her.

Sarah confronts Brody. After talking to him, she realises she no longer wants him to be part of her or Nora's life. Meanwhile, Olivia struggles with the addition of baby Daniel to the family.

Nora and Holly discover some shocking news about Nora's past that may help Holly make a decision about moving away from California. Meanwhile, an old flame of Annie's turns up and makes Justin jealous, Kevin and Scotty reconsider becoming adoptive parents, and Saul forgives Jonathan.

The Walker clan are excited when Tommy comes down for a visit, but his new girlfriend's enthusiasm for their family history rubs them up the wrong way.