Pie in the Sky - Season 4 Episode 4 New Leaf

When Fisher allocates Henry to guard Sasha Wilkes,due to testify against her gangster husband, in the police 'safe house',D.C.I. Harding,who had expected the job,is resentful. Sasha is initially hostile but,won over by Henry's cooking,comes to confide in him. Harding uses a drug pusher called Vicky, who once knew Henderson, to discredit Henry and also discloses the safe house's location to Wilkes. Henry averts disaster and parts as friends with Sasha but wonders if they were used as bait by Fisher because he already suspected Harding.