Dean (Jensen Ackles) and Sam (Jared Padalecki) investigate a bizarre murder and realize the killer bears the same tattoo as those from the Styne family.
Oliver/Al Sah-him (Stephen Amell) finishes his training and is left with two final tasks to become the next Ra’s al Ghul.
Liv (Rose McIver) and Clive (Malcolm Goodwin) work together to solve the murder of a morning radio talk show host who specialized in relationship straight talk.
Barry (Grant Gustin) must deal with the Reverse Flash’s (Tom Cavanagh) latest threat to a member of the group.
Jane (Gina Rodriguez) is nervous to attend her five year high school reunion because she feels her life is not what she expected it to be.
After discovering that he’s been betrayed by his own siblings, Klaus (Joseph Morgan) teams up with an unlikely ally and sets off on a warpath, hell bent on revenge.
Mary (Adelaide Kane) goes to extremes to halt Francis (Toby Regbo) from his quest to catch Condé (Sean Teale) at any cost.
As Alaric (Matt Davis) and Jo (guest star Jodi Lyn O’Keefe) reluctantly participate in their bachelor and bachelorette parties, Damon (Ian Somerhalder) and Elena (Nina Dobrev) discuss the ramifications from an impulsive offer that Damon makes.
When Claire Novak (guest star Kathryn Love Newton) gets a lead on her mother, Amelia (guest star Leisha Hailey), who has been missing for years, Castiel (Misha Collins) asks Sam (Jared Padalecki) and Dean (Jensen Ackles) to help her.
Oliver (Stephen Amell) goes through a rigorous transformation.