What's the big secret?
EastEnders fans are in for a treat as newcomer Penny Branning makes her return to Walford after 16 long years. But that's not all - Penny has a huge secret that is set to shake up the square.
A trip to Paris leads to a decision
Penny and her cousin Lauren Branning find themselves in Paris together, but soon they decide it's time to head back home to Walford.
Meet the new face in Albert Square
Actress Kitty Castledine has joined the cast of EastEnders as Penny Branning. Penny is Jack Branning's daughter and has been out of the picture for quite some time.
Trouble awaits in Walford
When Penny and Lauren arrive in Albert Square, things quickly take a turn. Lauren is desperate to be reunited with her son Louie, but discovers that Peter knew a dark secret about Penny's involvement with drugs and didn't tell her.
Flat hunting and family drama
Penny and Lauren begin searching for a new place to live, but face opposition from Peter who doesn't want Louie living with someone connected to drugs. Penny tries to win Peter over and prove that she's a good person.
A long-awaited return
Penny was last seen in Albert Square in 2008, struggling to accept her father's then-girlfriend Ronnie Mitchell. Since then, she has stayed away from Walford due to her paralysis and reliance on a wheelchair.
Family troubles
As Penny and Lauren return, Jack Branning is dealing with his own marriage problems with Denise Fox. Can Penny and Lauren help him through this difficult time?
New sibling revelation
Just when things couldn't get more complicated, Sonia reveals to Lauren that she has another sister in Walford. How will Lauren react to this shocking news?
Don't miss a moment
EastEnders airs from Monday to Thursday at 7.30pm on BBC One. Make sure to tune in to catch all the drama and secrets revealed.