Alert: Missing Persons Unit, Gemma & Isabel

A heart-stopping premiere. As the MPU moves into new offices which comes with new boss, a call comes in reporting the disappearance of an entire city bus filled with students.

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.

A young pregnant woman goes missing one day before her emergency c-section and the adopting mother turns to the MPU to locate her before the baby's life is risked.

The MPU searches for a homeless female teen that disappeared after running away from home and living in Philly's Gayborhood.

The MPU searches for a kidnapped tough-as-nails neighbourhood watch captain. Jason enlists Wayne's help investigating the car bombing.

Mike is taken back to his first unsolved case when the remains of an Amish man surface seven years after his murder.

A video blogger fights for her life while a major storm overwhelms the city of Philadelphia.

Avenging his own father's actions, a hockey player comes to terms with his mother's death.

The MPU team discovers the truth about a car bombing, leaving them fighting for their lives.

The MPU team finally gets justice for solving the Martiz bombing case.