This documentary explores Singapore's hidden wilderness - overlooked areas of the island that are home to a variety of fascinating creatures, such as the flying colugo, the wild boar in Pulau Ubin, and the saltwater crocodile and a family of smooth-coated otters in Sungai Buloh. There are some other interesting wild creatures in Singapore, such as the elusive Suda Pangolin, the monitor lizard (the largest lizard on the island), and the white bellied sea eagle.