Punk felt embarrassed by having his head shaved and he considered himself to be always pure unlike his followers, Punk appeared under a mask to cover his bald head on the May 29 episode of "SmackDown". At Fatal 4-Way, Punk challenged for the World Heavyweight Championship against Mysterio, The Big Show and the champion Jack Swagger but lost when Kane attacked Punk after Kane accused Punk of being the person who attacked The Undertaker. Punk was unmasked by Big Show on the July 16 episode of "SmackDown" while Punk was healing from an arm injury. On the July 23 episode of "SmackDown", Big Show unmasked the fourth member of the Straight Edge Society and it was revealed to be Joey Mercury. This incident led to a handicap match at SummerSlam. In the match, Big Show defeated the Straight Edge Society when Punk abandoned them. Punk was defeated in a singles match against Big Show at Night of Champions. A little while after, Serena was released from her WWE contract after she reportedly did not "live out" her straight edge persona in public. Mercury had also suffered an injury which caused the group to shorten. Gallows showed signs of dissent and Punk defeated Gallows in a match on the September 24 episode of "SmackDown". The ended the group.