Amidst preparations for their upcoming wedding, Sierra and Tom receive an unsettling message, which forces "The Midnight Club" to reunite. Meanwhile, Veronica and Reggie take drastic measures to clean up a mess they created. Cheryl learns some unexpected news about the college she has set her sights on. Lastly, Kevin gives Moose an ultimatum.
Elenco: K.J. Apa , Lili Reinhart , Camila Mendes , Cole Sprouse , Madelaine Petsch , Mädchen Amick , Casey Cott , Mark Consuelos , Marisol Nichols , Ashleigh Murray , Charles Melton , Vanessa Morgan , Skeet Ulrich , Luke Perry , Erinn Westbrook , Drew Tanner .