Wahala follows three thirty-something Nigerian-British female friends living in London, successfully navigating a world that mixes roast dinners with jollof rice. Simi, Ronke and Boo have been best friends for years, sharing every aspect of their careers, family lives and relationships with one another. But when the beautiful, charismatic and super wealthy Isobel infiltrates their friendship group, mounting tensions, unravelling bonds and unearthed secrets have shocking and tragic consequences.