As London is submerged below floodwaters, a woman gives birth to her first child. Days later, she and her baby are forced to leave their home in search of safety….

In the late 1990s, the arrival of elderly invalid Patrick into Marion and Tom’s home triggers the exploration of seismic events from 40 years previous: the passionate relationship between Tom…

This four-part historical drama follows the end of Catherine the Great’s reign and her affair with Russian military leader Grigory Potemkin that helped shape the future of Russian politics.