2 Guns, Baltasar Kormakur's new film, stars Denzel Washington and Mark Wahlberg as a DEA agent and a naval intelligence officer who find themselves on the run after a botched attempt to infiltrate a drug cartel. While fleeing, they learn the secret of their shaky alliance: neither knew that the other was an undercover agent.

Lucy Kirkwood's latest play Chimerica was sparked by the Tiananmen square protests in China 1989. As tanks roll through Beijing and soldiers hammer on his hotel door, Joe Moore, a young American photojournalist, captures a piece of history. When a cryptic message is left in a Beijing newspaper more than 20 years later, Joe is driven to discover the truth behind the unknown hero he captured on film.

In What Remains, a major BBC1 drama series, a young couple move into a flat and discover a leak in the loft, which leads them to the remains of Melissa Young hidden in the eaves. She has not been seen for over two years. No one has raised an alarm or even noticed that she was gone. D.I. Len Harper played by David Threlfall investigates.

The Interestings, Meg Wolitzer's latest novel, is set during the summer that President Nixon resigns. Six teenagers at a summer camp for the arts become inseparable. Decades later the bond remains powerful, but much has changed. Wolitzer follows these characters from the height of youth through middle age, as their talents, fortunes, and degrees of satisfaction diverge.

And all this month we focus on some of the treasures available in Britain all year round and free of charge. We asked our guests - this week it's Natalie Haynes, Giles Fraser and Cahal Dallat - to select a favourite object from The V&A's permanent collection of art and design.

Producer: Anne-Marie Cole.