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Morwenna's parents Jack and Tara pay a surprise visit, having been working as missionaries in Kenya.
However, the reunion is tinged with sadness when it turns out that Morwenna's mother has liver cancer, and has decided against treatment because of her faith.
Louisa's first online call for her new course does not go as planned - especially when Martin tells the lecturer exactly what he thinks - and Joe investigates a break-in at the school where nothing has been stolen.
Martin Clunes stars in the comedy drama, with Jessica Ransom, Caroline Catz, John Marquez, Kevin Doyle and Rebecca Lacey.
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Previous broadcasts on TV
Broadcasts in 2020
14/02/2020 at 21:00
Broadcasts in 2019
17/05/2019 at 21:00
Broadcasts in 2018
17/08/2018 at 21:00
Broadcasts in 2017
11/10/2017 at 21:00