S2, EP8 "Bloody New Year's"
Just before New Year's, a hockey mom is gunned down at her front door; later that night, seven more bodies are found in another suburban home; police discover a shocking connection between the two crimes as they track down the killer.
S2, EP7 "Silent Night, Lethal Night"
When a mother and her two daughters fail to show up for Christmas dinner, officers enter their home and discover all three have been shot to death; the search for their killer reveals an unthinkable family nightmare.
S2, EP6 "Christmas Rager"
Just before Christmas, the body of a young mother is found strangled inside a burning car in a quiet Minneapolis suburb and detectives suspect that she was killed by someone very close to her.
S2, EP5 "Christmas Rampage"
Two days after Christmas a mass shooting terrorizes a small town; after killing two people and wounding many more the gunman is taken into custody; when police search for answers they uncover the worst family massacre in US history.
S2, EP4 "New Year's Evil"
New Year's in a tiny town, Joanna and Carl Dutcher ring in the year with their grandson, days later, they are found violently killed; the hunt for the killer leads police to a sinister group that threatens the entire community.
S2, EP3 "Christmas Mourning"
On Christmas Eve in a quiet town, elderly couple Bob and Idella Young are brutally slain at home; a bloody glove found at the crime scene has the killer's DNA, but no one matches the sample.
S2, EP2 "Holiday Terror"
Firefighters respond to a house fire and discover three gunshot victims inside; authorities pursue the heavily armed murderer through Christmas.
S2, EP1 "Thanks-killing"
Earl and Terry Robertson are found brutally murdered in their home just before Thanksgiving; investigating whether this is a holiday robbery gone terribly wrong, or a crime committed by someone the couple knew and trusted.