Kate Taylor returns home after completing her criminology and law degree, uncertain whether to take a holiday before beginning her new role with the Criminal Investigation Department. Her best friend, Sara, arrives unexpectedly with news of a promising flat near their old university. The two friends, excited to start their new careers together, quickly secure the accommodation. Amid family warmth and future plans, Kate reflects on her training under Detective Chief Superintendent Tom Maynard and her close bond with Sara. Their conversation soon turns toward travel, sparking plans for a long-awaited holiday abroad.