A year after the murder of her sister Zoë, Echo is determined to uncover the truth. With Zoë's diary as her guide, Echo finds herself pulled into the darkness of her sister's secret life and she uncovers how one small decision can lead to tragic consequences.
Laura Marano
as Echo
Vanessa Marano
as Zoë
Chris Tavarez
as Marc
Giorgia Whigham
as Carley
Nathaniel Buzolic
as Jason
Evan Castelloe
as Tom
Michael Provost
as Parker
Annie Jacob
as Abby
Ken Jeong
as Dr. Gallagher
Whitney Goin
as Zoe and Echo's mom
Jason Davis
as Zoe and Echo's Dad
Ahmed Lucan
as First Detective
