I reckon anyone with any sense would avoid a family birthday party like the plague, but not 'Alexander" (Erland Josephson) who invites his lot to his seaside home for lunch. He was an actor and fancies himself as a bit of a disillusioned philosopher who craves the decency of times gone by - even though were probably never really there in the first place. Anyway, the party soon sets off down the usual path of familial discord and just when things couldn't get any more awkward, the house starts to tremble and loud aircraft sounds are heard passing overhead. They turn to the television and it…