The Ravenswood Police make an arrest for the murder of Luke and Olivia's father. Mr. Price (recurring guest star JUSTIN BRUENING) inadvertently sends Caleb and Miranda on a quest to investigate a secret Collins has been keeping, but it leads them to some startling insight about the pact. With questions about Dillon (recurring guest star LUKE BENWARD) swirling, Olivia is confused when he finally shows up to help her through her latest crisis. And Remy and Luke are determined to prove that Dillon has been hiding something, which puts Luke in danger. Meanwhile, Caleb starts school in Ravenswood and Miranda tries to keep him company, leading to an awkward incident.