As the annual Aimee-Leigh Gemstone Birthday Give-a-Thon nears, the Gemstone siblings set out in search of their absent father. Later, the family reunites with Aimee-Leigh's longtime best friend, Lori.

At the Gemstone family lake house, Baby Billy and the siblings plot to use Aimee-Leigh's memory to tear Eli's new relationship apart – by whatever means necessary.