The MPU searches for a Benjamin Franklin aficionado after he suspiciously disappears during one of his city tours. Meanwhile, a new forensic scientist is hired and the team attempts to manage her over-eager working style. Jason and Mike try to bond as new partners.

The MPU is on the case when a young hockey player goes missing during a fight with an opponent on the ice. Kemi is unexpectedly reunited with a face from the past. Nikki runs interference with Braun when Jason dives deeper into the car bombing murders.