he Walshes get stranded in a damaged plane while on their way to Hawaii and flash back to past Christmases. Meanwhile, Dylan gets into the holiday spirit after a strange woman, named Suzanne Steele, and her 12-year old daughter Erica, show up at his house who claim to be his late father's mistress and his step-sister, asking for shelter. Frustrated that Donna won't give up her virginity, David starts to act coldly towards her during a Christmas party at Mel's house. Also, Jesse takes Andrea to a midnight mass.

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