Doctor Who's Millie Gibson promises "twist" in new season

There are a lot of questions surrounding Ruby Sunday. 

Doctor Who star Millie Gibson has teased "a twist" on the way in the upcoming season 14, which kicks off on BBC One and iPlayer in May.The former Coronation Street star made her debut on the sci-fi drama over Christmas, in an episode that saw Ruby Sunday cross paths with The Doctor just in time to take on the sinister Goblin King.One of the plot threads left unresolved at the end of the festive adventure concerned the companion's parentage and specifically who left her outside the church on Ruby Road as a baby. 

Speaking to Doctor Who Magazine for its landmark 600th issue (out now), Gibson was asked if she could drop a hint about what fans can expect from the next set of episodes. Her response: "A twist. There’s always a twist."Cue rampant speculation on what she could be referring to, with theories likely to range from the identity of Ruby's mother to the circumstances of her possible exit from the show.