Barry and Sebastian were separated after witnessing their own mom's murder. Their best friend McKenna was there every step of the way and one of the only ones that could deal with the jerk Sebastian was becoming. After the Smythe's moved to Paris they didn't hear from Sebastian again. After Barry was beaten and left for dead she talked to Joe and decided she and Barry would live with her cousin Will in Ohio and go to McKinley. That's when they find out Sebastian is two hours away at Dalton Academy with their friends Scott and Chad from Central City. How will the Warblers and New Directions react when they see the real Sebastian behind the mask every time Barry and Kenna are around? Will they finally realize he's as bad as they believe him to be?