Natasha, the student daughter of a Russian billionaire, wants to get married in a hurry, so that she can stay in the UK. Charlie and Tony find her a man and set it all up for her - though they don't dare to tell Rebecca what is going on. And what will Natasha's tycoon father make of it all when he arrives - will he foot the hotel's inflated bill for the reception?

When Emily's estranged father turns up at Babylon, she wants him to leave, but he has something he needs to tell her first. Meanwhile, Sam gambles Hotel Babylon and loses, and Tony meets his doppelganger and they put their uncanny resemblance to good use.

The team have just a day to recover from a terrible restaurant review with a Valentine's Day relaunch using a celebrity chef. Charlie struggles to contain his jealousy over Anna's interest in the rich, upper-class hotel guest Giles, and an excited Gino is convinced that a porn film is being shot in one of the rooms, but Tony worries about the business's reputation

An old workmate of Anna's is holding a smart charity ball at the Hotel, and some of the staff are out of uniform. One guest, Lady Stanwood, is known to all, as she is a former chambermaid at the hotel. But Anna is not going to be upstaged. Meanwhile, an old school friend of Ben's checks in. In the kitchen, European co-operation is the order of the day.

A jingle writer called Machin checks in to the hotel. During his last stay, he tried to kill himself, so tension is high and Rebecca gives Charlie the job of keeping Mr Machin alive.The hotel's concierge, Tony, makes a disastrous mistake when he mistakes a woman guest for a prostitute.Meanwhile, the staff help a former employee celebrate her golden wedding in style.

The team have one day to organise a society wedding, but when it emerges the bride's family are bankrupt Charlie is faced with a stark choice. Temptation threatens to get the better of Ben putting him at the mercy of mercurial celebrity chef Otto, and James gets a shock from his past in the shape of a weight-loss guru.

James and Gino are are asked to organise the extravagant funeral of a VIP guest . If the event is a success Juliet tells James that he will gain a promotion at the hotel. An old boyfriend of Juliet's checks into the hotel and wants to give their relationship another go. Sam becomes jealous and ends up having a one night stand with one of the hotel's guests.

Charlie feels the pressure of management when he receives a letter from head office criticising his accounting and the chambermaids threaten to go on strike over unpaid wages. The arrival of an old friend visiting a jewellery auction hosted at the hotel perks him up, but a further financial crisis leads him to seek help from an unsuitable source and brings danger to everyone in the building.

Rebecca Mitchell, general manager of Hotel Babylon, interviews the hotel's ambitious head receptionist, Charlie Edwards, and outsider Anna Thornton-Wilton for the job of deputy manager. As he is already on the spot, Charlie has the chance to prove himself by extracting as much money as possible from a world-famous rock band. Meanwhile, Rebecca seems to be avoiding going home at night.In the end, Charlie gets the job, and Anna is the new head receptionist.

A couple who are both celebrities hold their joint 40th birthday party at the hotel. Anna finds out that they are not as happy as they seem together. Sam ignores Juliet's advise and better judgment when he lets lets two rival boxers stay at the hotel.

A movie is shot on location at the hotel, but the stars don't get on and it is Jack's job to keep both of them happy. Gino and Ben compete for the attentions of the director in a bid to be `noticed', and Anna is preoccupied by thoughts of Charlie which do not go away even when Ned invites her to accompany him on a trip to New York.

Hotel Babylon is closing. Tony desperately pitches the hotel to an Asian businessman, but the deal goes into freefall when Tony refuses to meet his demands. Meanwhile, a terror alert throws Central London into chaos, and a crowd seek refuge in the hotel. The team pull together fantastically, and a millionaire caught up in the bedlam is so impressed that he decides to buy Babylon, securing its future. Elsewhere, Anna is nearly eight months pregnant, but is in total denial.