S2·E18 Lost and Found

Monica and Tess are assigned to Detective Frank Champness at the Centre for Missing Children. Champness is very good at his job, but is haunted by his failures, the children who have died or have simply never been found. Andrew, is also taking his shift at the centre. Andrew is intrigued by computers, and shows Monica how computer simulated age progression works. Monica discovers that Kathleen, is Frank's new girlfriend, and is pushing him to the breaking point. She distracts him from his cases and undermines all the good he has done for missinig children, pushing him close to quitting his job. In a dueling revelation scene, Monica defeats Kathleen and brings Frank back back from the influence of evil. Then, with the help of Andrew's age progression expertise, Monica helps him solve a 15 year old missing child case.