Patsy has a hard life, living on the streets, all her worldly goods in shopping bags… Suddenly everything changes when 10-year-old Amy takes pity on Patsy and persuades her mum to invite her home. Patsy's a funny, likeable lady, but a bit smelly! And Amy's family just can't get used to Patsy's pet rat - something, or someone has to go! Happily, Patsy finds more new friends - one of them shares a remarkable story, and Patsy's life will never be the same again!