Mike unknowingly ""chats up"" Danny's new 'bird' at a party & he's so jealous he punches Mike in the eye. To make matters worse, Mike,Danny & Jenny have to spend the week working together in the lab. Danny doesn't let Jenny out of his sight, he's worried Mike will make a move on her. Mike swaps shifts to ease Danny's suspicions, but one night while working late Danny leaves the room & Mike & Jenny Kiss. Danny walks in on them & they fight in the lab. Next morning Jenny isn't speaking to either of them because of their behaviour. They apologise & invite Jenny out to dinner, but fight again over what to order for her.! Next day Mike is introduced to Jenny's fiance & he & Danny make up & agree not to let a woman come between them again....until a new nurse walks down the corridor & they follow her.!!