When Liv (Rose McIver) and Clive (Malcolm Goodwin) work together to solve the murder of a very charming, but womanizing, preschool teacher, things get interesting when they bring his jealous girlfriend Piper (guest star Shenae Grimes) in for questioning. Meanwhile, Peyton (Aly Michalka) is assigned a very interesting case. Lastly, Blaine (David Anders) finds himself in a bad situation. Rahul Kohli also stars. Shenae Grimes (90210) guest stars.