YOU Showrunner Explains That WTF Finale Twist 

YOU has been taking viewers on a rollercoaster ride through its entire season, from Joe's (Penn Badgely) introduction to Beck (Elizabeth Lail), to his stalking her and killing everyone he felt was a threat to their relationship
Keywords: you, tv series, season 1, 1x10, season finale, sera gamble, interview, spoilers, twist, details