Every year, roughly 200,000 baby monkeys are trafficked illegally from Peru. This episode follows young monkeys Emita, Rusa and Celia's struggle to survive on Isla de los Monos - a unique island that gives victims of the pet trade and hunting a second chance. Will a motley crew of woolly monkeys take baby Celia into the fold? Lucera is a spider monkey determined to conquer the upper canopy; will she take time out to nurture newbie Emita? And can baby howler monkey Rusa survive without any of her species to learn from?