A military family comes under suspicion when a boy finds a murder weapon and the team must track ownership of the gun.
Spencer saves the life of the lead singer of The Plain White T's.
Trish's boy band client, Boynado, threatens to split up; Austin and Ally help an impersonator find his own voice.
Sean discovers the secret between Christian and Julia; Matt bonds with his rehabilitation counselor; Eden suspiciously makes peace with Julia; Kimber and Ram reveal their future plans.
Jake helps Captain Frost try to retrieve a stolen magical gem that freezes things; the search for the legendary Snow-Foot.