Snapped: Killer Couples (2013)

S5E4 Kat McDonough and Seth Mazzaglia

When a college girl unknowingly steps into the world of a couple's intense kink and domination lifestyle, things take a dark turn. Their seemingly playful dynamics spiral out of control, leading to unforeseen consequences that threaten to unravel everything. The girl finds herself caught in the crossfire of their dangerous games, as the couple's secrets and desires clash in a chilling way.