Sam takes an unexpected journey into her past when she and Eddie are called on to investigate the seemingly accidental death of Ava Day, star of the '90s sitcom "All About Ava," which featured a 12-year-old Sam in her acting debut as Ava's little sister.

Cast: Rachel Bilson, Eddie Cibrian, Xavier de Guzman, Aliyah O'Brien, Alice Lee, Courtney Richter, Will Verchere-Gopaulsingh, Karissa Ketter, Lily Killam, Tyson Bellusci, Christopher Logan, Lee Tichon, Mizinga Mwinga, Susie Lee