It's the week leading up to Kate and Geoff's wedding anniversary, and preparations for the party are in full swing. As they choose the music for their first dance, a letter from Switzerland arrives and quietly shatters their world. Buried for decades, the body of a young woman has been found in the melting ice. Is the past another country, or is it just beneath the surface?

Ash is off the rails, going straight from a sweaty night out to the first day of a new job. Her boss Lily is unimpressed. They need to focus on their assignment: cataloguing historic cases of women accused of witchcraft. After an incident at work, Ash's boyfriend Dom seems keen to look after her at home. But as the women continue their research into ritualistic murders, Lily starts to worry that something is wrong with Ash.

Iran. 1980s. When Shideh's husband is conscripted to serve on the frontline, she is left alone with her young daughter in Tehran as the city is bombed. The missile strikes bring terror and destruction, but there is also something ancient and malevolent, carried on the wind.

Three parties, one weekend: it's Party Season. Xander is back in town, and this weekend he's on parenting duty. The kids are in the ball pit; the entertainer is blowing bubbles; the adults gobble Perelló olives and pretend to like each other.

Two startling Canadian plays, both based on real-life events.

It's 1987. Kylie's about to hit number one, and Jess meets Billy in First-year Juniors. They quickly become inseparable: proper soulmates – the kind who finish each other's sentences and overshare about first kisses.

London, 1890. Fresh from the success of his first big case, Sherlock Holmes misuses his time, until an unknown woman and a mysterious jewel arrive at 221B Baker Street.

Tudor England. A field in Essex. Three women hurry to their childhood meeting place, thirsty for gossip from London. Word spreads of a clash between King Henry VIII and his Queen, Anne Boleyn. Closer to home, another rumour threatens to catch fire.

'I'm not gonna stand up in front of a bunch of strangers and tell stories about you and me.'

Billie's signed them both up for stand-up comedy. Tonight, she and her husband Peter are locking themselves in their living room until they've got it down: a 'tight-five' set that's a guaranteed knock-out.

With the clock ticking and nothing but a baby monitor for an audience, they go delving through their past for material. But as questions about their future are forced to…

In the kitchen of an old Devon rectory, the daughter who stayed and the son who moved away make conversation with their current and former partners, the milkman, the postman, the care workers. They talk about the weather, the roads, the toaster, the bins. About anything except the simmering tensions between them, as their father lies mortally ill in the next room.