It's Mercedes' 30th birthday (woohoooo!) and she's determined to celebrate in true McQueen style, but a face from the past has plans to make sure the party goes off with a bang… Ste and Doug prepare to say goodbye to Hollyoaks, but will Danny reveal the truth to Ste before it's too late? Elsewhere Tom admits defeat to Sienna, Leanne is devastated as she unearths Dennis' lies, and Ash makes a shocking discovery about Will…