Ryan (Charlie Sheen) arrives in New York on leave from the Navy to see Phoebe, who has chicken pox at the time. He is bewildered to see Phoebe covering her head with a scarf, trying to disguise the fact that she has chicken pox; eventually convincing her to admit this to him, he decides he cannot stand to be apart from her and consequently catches chicken pox from her and they both spend the rest of the time sick and trying to not scratch at the sores.