Emmerdale's Gabby Thomas is set to make a shocking discovery next week, in the wake of Billy Fletcher's attack. Earlier this summer, Gabby and Billy sparked up a romance - much to Dawn Fletcher's annoyance. Next week, Billy remains comatose in the hospital, with Joe remaining suspect number one amid the attack. ITVRelated: Emmerdale reveals shock arrest for Billy Fletcher's mystery attack"The fallout from Billy's attack brings revelations to light," notes our source. But did he attack Billy?"