Just when we thought we were getting to the bottom of some of the Osea islanders’ secretive ways, episode four of The Third Day presents us with a whole new load of mysteries to unpick.

The Third Day’s first two episodes already had us on the edge of our seats, but as Naomie Harris’ character arrives on Osea Island later on in the series, things are set to get a lot more intense.

Jude Law, Naomie Harris, Katherine Waterston, Emily Watson and Paddy Considine star in The Third Day, a unique story told in three separate ... invite viewers deeper into the mysterious world of Osea ...

spends the day trying to learn more about the islanders’ beliefs. After a series of confusing and terrifying events leaves him shaken, Sam quickly plots a way off Osea with Jess, but is convinced to ...