Set in the Monkey World - Ape Rescue Centre in Dorset, UK, 'Monkey Life: Series 4' is an emotional roller-coaster following the rescue and rehabilitation of some of the most abused and neglected monkeys in the world. Since the founding of Monkey World by the late Jim Cronin, MBE and Animal Director Jeremy Keeling in 1987, Monkey World has rescued primates from 18 countries worldwide. Dr. Alison Cronin, MBE and her team continue Jim's legacy with unwavering dedication to stop the illegal smuggling of primates from the wild, rescuing and re-homing primates in need, whenever they can. In 'Monkey Life: Series 4', Alison and Jeremy are on a mission to rescue feisty capuchins Babe and Amy. Something's wrong with one of Britain's favourite chimps, Trudy. Samantha the squirrel monkey is rescued from a derelict farm just in time. Jeremy keeps an all-night vigil as one of the park's best loved primates Charlie, becomes very ill. Baby Paulo graduates and joins his woolly monkey family full time. In Vietnam, a golden-cheeked gibbon Mika has ground-breaking eye surgery. Monkey World welcomes a rare species of primate to the park. Kaiyah a ring-tailed lemur pet from Ireland, is adapting to her new home. Alison goes undercover in Turkey and orang-utan Hsiao-Quai surprises everyone with a special early delivery. Filmed over the course of a year, this heart-warming primate docu-soap follows the day-to-day dramas and personalities of these, our closest relatives, and the people devoted to looking after them.