As "Sandy" arrives at "Rydell High", she becomes a member of the "Pink Ladies". Another Member of the group is "Betty Rizzo", which begins flirting with "Kenickie", a member of the 'T-Birds'. "Betty" becomes really worried, because she thinks she's pregnant. At the end of the movie, it turns out she was worried for nothing and all is well between her and "Kenickie".