After she gives a talk about family history, Jess Trevanion is asked by downtrodden Morwenna Crocker to find the father she's never known. Jess uncovers secrets and shame in Morwenna's background, together with surprising and heartbreaking heroism.

Meanwhile, a fierce storm causes severe damage to the marina, and Jess and her almost-partner Tom help clear up the mess. But Jess is under pressure in her personal life, and more shocking revelations about her late husband cause tension between her and Tom ...