Juliet goes undercover as Helene, a woman looking for love on an online dating site, as she tries to bring down a killer and Shawn tries to holster his jealousy.

Gus, another patron of the online website, goes out with a girl named Rachel that he met through the site, but there maybe more to her than meets the eye.

Madeline, Shawn's mom, comes to town to help take care of Henry when he gets out of the hospital, but when it becomes clear she'll be staying around a while, it complicates Shawn's plans to move back in with his dad.