Kate & Koji is a British sitcom that follows the unlikely friendship between a working-class woman named Kate and a Nigerian immigrant named Koji. Kate runs a seaside cafe in a small town, while Koji is a doctor who is unable to practice medicine in the UK. Despite their differences, the two form a bond and navigate the challenges of their respective lives together. The show explores themes of friendship, community, and cultural differences in a lighthearted and comedic way.