Luther assists Tom in defending a college student who has been accused of murdering a cab driver. Meantime, a baby has been abandoned in the TNT&G offices, and Ron and Alden must find the mother while the rest of the team are at the annual holiday party.
It's the results show for the final of the fourth series. Both couples have already had three dances scored by the judges and now have to dance a group Viennese Waltz and a Show Dance to impress the viewers at home.
The news of King Richard's return to England reaches Robin and the gang - and it means one thing; Marian's marriage to Gisborne is looming closer. Marian attempts to steal Gisborne's money and distribute it to the villagers, Robin tries to find out more about Gisborne's crimes. But then tragedy strikes for the Nightwatchman at Locksley Manor...