He's told her. She knows the rumours are true now and everything is shattering before him. As she hears his answer, Caroline covers her face with her hands and Mac knows he's destroyed her. He can't bear to hear her muffled sobs, see her shoulders trembling with…laughter?

'Caroline…are you…are you laughing?'

Caroline lifts her head and tries to suppress her giggles. 'I'm sorry Mac! It's just, picturing you and Boyce doing that nude run…I knew you'd had a lot to drink, but I never would have thought it was true!' and with that, she reverted back to her muted sniggering. The nude run. The result of a bet gone bad and an abundance of scotch. That was the truth she was asking for. Mac can't believe his luck – or his stupidity.

'Best scrub in again I guess,' she laughs, looking at her hands.

'Yeah,' says Mac. 'Yeah I suppose you should.'

And he stands at the sink as she repeats the ritualistic cleaning and then disappears into theatre. He clutches the basin and he thinks aloud: 'You idiot, Mac. What have you done?'

Standing in the men's room with his trousers around his ankles, Martin is a frightful shade of red. Boyce kneels before him, busy and concentrating, making grunts and various other muffled noises with every movement. Martin shifts nervously as he watches Boyce work.

'Are you going to tell everyone about this?' he asks, tugging at the hem of his shirt.

Boyce looks up, scissors clutched between his teeth, and various surgical tools occupying each hand. He elegantly spits the scissors onto the floor. 'I think Guy may have beaten me to it, mate. Kim sent me a text about it five minutes after he got here.'

Martin wails and runs his hands through his hair.

'Relax mate,' Boyce chirps. 'I think I've nearly got…oh. Just how asleep were you Martin?'

'I'm a deep sleeper,' replies the smaller man. 'And I'm a sleepy drunk.'

Boyce stands and hands Martin a scalpel. 'I really would like to help you, but Guy didn't tape your pants on exactly…there are things I just won't do for a man.' Boyce puts his hands in his pockets and leaves Martin standing there in the men's room, more confused than ever.

He looks down at the tape that Boyce has cut through and his life gets a million times worse. Guy has done Martin the courtesy of removing his underwear before the taping commenced. Martin grabs his hair in dread of the pain to come.

This is one of the few times in his life when he wishes he lost the bet with Guy. The bet where the loser had to get a brazilian.

The morning's work done for now, Caroline sits slumped with a magazine open on her lap. Despite the guise, she hasn't read a single word on the page – her mind is otherwise occupied with thoughts of the party. For once she had been moderate in her alcohol consumption, and surprisingly, actually enjoyed herself, despite having to continually fend off Martin's shambolic attempts at hitting on her. He was getting more and more outgoing in his attempts, and still she didn't have the heart to dismiss him cruelly. Even when he was trying to get in her pants, he still had that pathetic, lovable awkwardness about him that melted her frustration.

Guy, on the other hand, was easy to dismiss when he got too eager. Although strangely, the most she got at the party was a hasty greeting; no bum comments, no boob staring, and worst (or was it best?) of all, no badly disguised suggestions that she might like to shag him at some stage. If she'd paid any attention, Caroline might have noticed that Guy was keeping his distance, although his eyes were constantly searching her out in the crowded flat.

What Caroline did notice, was the obvious absence of Mac from her side for most of the party. She knew they weren't an item — not since Holly had ravaged their barely-begun-again romance, but she had thought all this talk of lost and found property was promising enough. He seemed to be drinking a lot last night too. Stressed from work, Caroline guessed. It always got harder towards the end of the year.

'Doctor Plod!'

The sudden booming vocals of Sue White snaps Caroline from her reverie. She lifts the magazine in front of her face in the vain hope that the mad woman might lose interest. This seems to work, as all is silent again, and Caroline exhales in disbelief. She lowers the magazine and is instantly greeted with Sue's insanely happy face.

'Now Doctor Todd, you weren't trying to hide from old Sue, eh? she says in a sickly sweet tone.

Caroline, startled from Sue's appearance, hastily concocts an excuse. 'Oh Sue, I didn't hear you coming! Terribly sorry. Anyway I just have to go down to see the head of oncology and – ' she babbles, steadily making her way to the nearest exit.

Sue notices her hasty retreat and grabs Caroline's arm, still manically smiling. 'Is the rumour true then? About…about my lovely lion? Caroline, I have to know if it's true!'

'You must be kidding. You came all this way to ask me about that?' Caroline can't say she's confused – on a scale of one-to-insane this didn't even rate a mention. Still, something wasn't right about this. 'Yes, he was drunk. It happened.'

With that, Sue releases Caroline and howls like a wounded warthog before dashing away, leaving a stunned Caroline in her wake.

'Funny,' she says to no-one in particular. 'I'd have thought that was right up her alley.'