Medium - Season 6 Episode 7 -

After an accident at Ariel's school where another student drives into Allison's parked station wagon, she has to rent a car until it's repaired. Det. Lee Scanlon asks for her help in deciphering the meaning of blast marks they've found in the desert near a power plant. In a vision, she sees someone apparently testing an explosive device but has little else to offer. She's enjoying her fancy SUV with all of its gadgets but is taken aback when through the car's sound system, she can hear conversations in the vehicles around her. One of those involves a man who is ...