Based on real events, Canada's most notorious serial killers, Paul Bernardo and wife Karla Homolka kidnap, sexually abuse, and murder three young girls.

Laura Prepon
as Karla Homolka

Misha Collins
as Paul Bernardo

Patrick Bauchau
as Dr. Arnold

Emilie Jacobs
as Peggy

Alex Boyd
as Nick

Tess Harper
as Molly Czehowicz

Leonard Kelly-Young
as Dan Czehowicz

Cherilyn Hayres
as Tammy Homolka

Sarah Foret
as Kaitlyn Ross

Kristen Honey
as Tina McCarthy