Alex Jones uses DNA technology and genealogy experts to help Reverend Kes look for the half siblings she has thought about for 40 years, but having rejected her once will they want to meet?Meanwhile can Alex help London Brand Director Alan, find his sperm donor father and put an end to a lifetime of wondering? Also, what is life like when the search is over - is life with a dad how 24-year-old Kirsty imagined it? And have Reverend Kes and her new found half-siblings healed old wounds?