Kevin and Scotty make a commitment to be life partners; Saul finally comes to grips with his identity in a public way; the family discovers that William kept yet another painful secret from them.

Rebecca begins to doubt her mother when she finds a file on Ryan Lafferty in Holly's possession. Meanwhile, Kevin finds himself to be in an uncomfortable situation as he meets Scotty's very conservative parents.

Kitty is devastated when she must face the aftereffects of her cancer treatment. Meanwhile, Nora makes an unexpected friend; and Scotty's father shares some shocking news about his marriage.