Across the sweeping rift-valley plains of northern Tanzania, two guardians keep the balance: endangered Masai giraffes and the Maasai pastoralists who share their land. Sentinels of Engaruka offers a rare, ground-level view of this fragile alliance at a time when invasive shrubs, shrinking pasture, and climate change threaten to tip the scales.

The story follows Baraka Lesineti, an elder determined to safeguard his cattle; his teenage son Meheti, who treks long distances to find grass; and Maria Eliaz, a young Maasai woman blending traditional knowledge with modern tools to restore rangelands. Their intertwined choices reveal what it means to “stand tall” for people, culture, and nature — together.