Holly and Vince try to be friends again by throwing a surprise birthday party for Gary's 18th birthday. When Holly and Vince run into Jill (Gary's ex-girlfriend) at the diner, who is supposed to be in Paris. They find out that for six months, Jill was really in New York! Holly and Vince argue whether or not to tell Gary about Jill - especially on his birthday. Meanwhile, Rick and Val keep visiting each other, and Lauren keeps bragging about her new boyfriend-who is a doctor!