Sgt Catherine Cawood returns to our screens TONIGHT as series two of Happy Valley makes its debut.

The award-winning BBC drama is back after a long two-year wait for fans — and we've got a clip from tonight's episode to whet your appetite.

The 50-second clip shows Sgt Cawood back doing what she does best — tackling wrong 'uns in her no-nonsense style.

But things take a turn for the dramatic when Catherine makes a grim discovery while rounding up some youths on an estate.

Watch the video above for a taste of tonight's excitement!

We'll be running an episode blog for Happy Valley series two, starting straight after tonight's episode.

Take a look at faces old and new in episode one with our gallery:

And catch up with our guide: Happy Valley: Everything you need to know about series two

READ MORE: The real Catherine Cawood: Meet the former Huddersfield police officer the Happy Valley sergeant is based on

Happy Valley returns on BBC One tonight at 9pm.

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