A United Kingdom

Following World War II, Seretse Khama embarks on his journey in London where he pursues his law studies. This period is crucial as it shapes not only his education but also his future decisions regarding his homeland, Bechuanaland.

In London, Seretse unexpectedly meets Ruth Williams, an Englishwoman. Their connection grows rapidly, leading them to fall in love despite the looming challenges posed by racial tensions.

Seretse and Ruth marry in 1948, an event that sparks significant outrage. The couple faces fierce opposition from their families and officials concerned about the implications of their interracial union.

The South African National Party intervenes, fearing that their marriage would incite unrest in the region. They exert pressure on the British government to thwart the union, escalating tensions around Khama's position as heir.

Khama's uncle, the Regent, puts immense pressure on him to renounce his marriage to Ruth. He suggests that Khama marry a Bamangwato princess instead, a request that Khama defiantly rejects amidst mounting familial tensions.

While grappling with opposition, Khama uncovers plans that allow a US mining corporation to explore for minerals in Bechuanaland. He becomes determined to ensure that any future resources benefit his nation rather than foreign entities.

In a strategic move, Khama rallies the support of his community, gaining public backing for his cause. This growing support pressures the British government to consider options regarding his leadership.

Amidst the political turbulence, Ruth gives birth to their first child. Her resilience and dedication help her earn the respect of the local people as she integrates into the community.

As tensions rise, the British government determines to replace Khama with an administrative leader. However, the tribe's refusal to hold the necessary meeting to facilitate this plan disrupts British efforts to assert control.

British Prime Minister Clement Attlee confides to Tony Benn that maintaining access to South Africa's gold is paramount. He implies that compromising on Khama's marriage could be a necessary sacrifice.

A significant turn occurs when diamonds are found in Bechuanaland. This discovery strengthens Khama's resolve to assert his people's rights over their resources against British interests.

Winston Churchill, upon his election, promises to restore Khama's leadership. However, contrary to expectations, he imposes an indefinite exile on Khama, deepening the conflict.

Despite his exile, Khama gains support from prominent figures in both London and the USA. Their backing plays a crucial role in amplifying the resistance against the British government's decisions.

Eventually, due to advocacy from local communities, Khama is allowed to return to Bechuanaland. He leads a movement for independence, challenging British colonial authority.

Khama's leadership culminates in his election as the first president of Botswana, heralding a new era. His son later serves as the fourth president in 2008, solidifying their family's legacy.