In this Netflix true crime story, Dave Kroupe was dating Liz Goylar when a third party came into their lives (Cari Farver) and caused the most bizarre chaos you could imagine. This nightmare began when Dave tried online dating for the first time when he moved to Nebraska behind his children's mother so he could take care of his kids after their break-up. Buckle your seatbelts and get ready for the ride of a lifetime as you figure out the twist. Can you guess which one is the killer?