The Upper Hand

Laura borrows Caroline's identity to crash a society ball and quickly gets out of her depth.

Charlie and Caroline clash over who should rent Caroline's cottage, mixing business with bias.

A school fundraiser boxing match drags Charlie into a contest with more pride than sense.

Charlie agrees to let Joanna spend a week with him on work experience. However, she soon wishes she was back at school. (S4, E13)

Charlie and Caroline finally admit they are in love, but Charlie insists on keeping it secret.

While Caroline recovers from a sprained ankle, Charlie's possessive care starts to alarm her.

Joanna is allowed to attend a party, but drinking too much leaves her dangerously ill.

Caroline's biggest client is shot, leaving Charlie and Laura with some awkward explanations to make.

Charlie repays an old favour by taking on a friend's unruly daughter as a housekeeper.

After Laura is stood up, Charlie takes her and Caroline to the casino as planned.