Based on Kate Atkinson's 2013 Costa Award-winning novel of the same name, the series follows Ursula Todd, daughter of Sylvie and Hugh, who was born one night in 1910 but died before she could take her first breath. On the same night, she was reborn and survived. Ursula finds herself living and dying over and over again in different circumstances, only to be reborn into the world again and live a new life. With each new life, Ursula struggles to find the right direction to move forward. She survives a pivotal period in history, experiencing two world wars, a meeting with Hitler, and many other major life events. But what is it that makes Ursula so desperate to live? Is a perfect life possible? Can the course of history be changed? Can Ursula save the world?