Ben and Michaela investigate a shocking murder in fear that it's connected to Flight 828. Meanwhile, Ben struggles to accept the life Grace led in his absence, while Olive and Cal realize that being twins after five and a half years apart is harder than they thought.
- Melissa Roxburgh as Michaela Stone
- Josh Dallas as Ben Stone
- Athena Karkanis as Grace Stone
- Luna Blaise as Olive Stone
- Jack Messina as Cal Stone
- Parveen Kaur as Saanvi Bahl