Blurred Lines follows four friends – Max, Joe, Rachel and Chantal – whose lives begin to spiral out of control when sins of the past catch up with them. When Chantal finds out her boyfriend Max cheated on her with Rachel a few years ago, she devises a revenge plan to teach Rachel a lesson, and to drive a wedge between Rachel and her boyfriend, Joe. But things quickly get out of hand, leading to a tragedy that no one saw coming.