As the weather turns frosty, TV bigwigs seem to up their game by putting on &quot;must-stay-in&quot; TV. Sunday night’s new treat, replacing Downton Abbey in our affections, is Channel 4’s four-part drama series Any Human Heart.

As the weather turns frosty, TV bigwigs seem to up their game by putting on &quot;must-stay-in&quot; TV. Sunday nightu2019s new treat, replacing Downton Abbey in our affections, is Channel 4u2019s four-part drama series Any Human Heart.

Any Human Heart/ People/ Stylist

Watch a sneak preview of the second episode

Any Human Heart goes to war