Explores the various otter families of Singapore as they come into conflict with each other. Includes a look at the Bay family, the rival Townies, and the more isolated Mangrove family.

Anna, the Bay family matriarch, helps raise the newest members of the community. Elsewhere, a flood in the mangroves nearly sweeps away a baby, and the Townies eat through their resources.

Trouble brews in Marina Bay when the Nomads and Townies squat on Bay family territory whilst the family are away upriver. When the Bay family make a surprise early return, conflict looms.

Welcome Anna's clan back to Marina Bay, where two otter families have been trespassing. Mia catches Anna's scent and hustles the Townies out of reach. The Nomads remain blissfully unaware of the coming conflict.

Follow the Bay Family's matriarch as she chases the Nomads out of her territory for good, and a look at the surprising birthing den where the Townies' leader, Mia, settles in. The Mangrove Family pal around with stray dogs.

Seeing the babies' first swimming lessons before the clan moves to new digs, and welcome an era of otter peace as the Mangrove Family becomes a park's main attraction.