Irish star Sharon Horgan, known for her roles in Bad Sisters, and Catastrophe, and Welsh actor Michael Sheen [Good Omens, Staged] lead the new hard-hitting and thought-provoking BBC legal drama from Jack Thorne, the writer behind His Dark Materials. The new four-part series follows proud and loving parents Nicci and Andrew Lloyd who are driven apart by having to make choices no parent would ever want to make.
They are faced with an unthinkable decision when their daughter Marnie's health deteriorates to such an extent that the doctors, led by her long-time consultant, Samantha, played by Noma Dumezweni, come to believe it is in her best interests to withdraw care. She is in pain, they argue. The treatments are becoming too invasive. Her parents disagree.
Read more: Who is Sharon Horgan? Best Interests star's incredible career, life off-screen and famous brother