At last, 30-something Jack is settling down. With his wild days now firmly behind him, he has finally plucked up the courage to propose to Camilla, his girlfriend of nine years, laying to rest his phobia of marriage and commitment. Life is looking good. But Jack's happy-ever-after takes an unexpected turn when Anna turns up, unannounced, at the doorstep. As he struggles to recall their acquaintance, she jogs his memory: 8 years ago at a rock concert, they shared one night of passion... and the evidence , standing right there, is Phoenix, his seven year old son.