With Kate moving back to the U.S., Lee finds himself living alone once again. In an attempt to fend off homelessness, he makes an offer to purchase Tim's apartment, but he will have competition.
To try and find out more about one of his business associates Lee pretends that he is gay. Meanwhile, Time believes he is not manly enough.
Lee is fed with with Gary never going out and always being in the flat. Tim finds a girl he really likes.
Lucy's concern over her age difference with Guy increases when he brings over his grandson. Tim and Lee find themselves babysitting.
Lee attempts to impress Lucy with his knowledge in the world of art, but when she invests according to his choices, his plan seems to have backfired.
As Lucy and Guy grow closer Lee decides to try speed dating after being encouraged by Barbara.
Guy takes Lucy away for the weekend after buying her some expensive presents. Lee becomes suspious and thinks that Guy is really a gangster.
Lucy and Tim's parents Geoffrey and Wendy invite themselves to the apartment for Christmas, and Lucy persuades Barbara to work on Christmas Day to help out. On Christmas Day, Tim brings his girlfriend Daisy. Lee buys a hug mystery game, which they all then dress up and play. However, the game ends abruptly when Tim and Geoffrey argue. Lee then manages to talk Geoffrey round and they finish the game.