What could go wrong?

A young travel-blogging couple driving across Asia and the Middle East — and posting aerial video footage online — is in custody in Iran for flying their drone without a permit near the capital city of Tehran.

Jolie King and Mark Firkin were busted in July and have been locked up since then in the country’s notoriously harsh Evin Prison, according to a series of tweets from a producer for Manoto TV, a London-based, Persian-language TV channel.

“The family says this was a misunderstanding and [they] were unaware of the Iranian law which bans drone flights without a license,” Pouria Zeraati wrote.

In blog posts, the couple wrote that they decided to quit their jobs in Perth, Australia, and drive a modified Toyota Land Cruiser across Asia, the Middle East and Europe “to hopefully inspire anyone wanting to travel.

“And also try to break the stigma around travelling to countries which get a bad rap in the media,” they said.

On June 30, the couple posted a since-deleted video from Iran in which Firkin said they’d just arrived and were “camped on a nice hill here next to the capital Tehran,” according to the Times of London.

“It’s actually really beautiful,” added King, who’s a dual Australian-British citizen.

King has been told by Iranian authorities that she’s being held in hopes of arranging a prisoner swap, a source told the Times.

In April, an Iranian official publicly offered to release another woman jailed in the country on espionage charges in exchange for an Iranian woman who at the time was being held in Australia pending extradition to the US.

Foreign Minister Mohammad Javad Zarif didn’t identify the Iranian woman during his speech to the Asia Society in Manhattan, but shared a description matching that of Negar Ghodskani, who was indicted on federal conspiracy, smuggling and other charges in 2015.

Ghodskani allegedly violated US sanctions on Iran by using a front company in Malaysia to illegally purchase some 200 pieces of “sensitive export-controlled” technology from two American companies in 2011.

The electronic gear was then shipped to an Iranian company, Fana Moj, that is designated a “military supporter” of Iran’s Islamic Revolutionary Guard.

Ghodskani, 40, pleaded guilty to a conspiracy charge last month in Minneapolis and faces up to five years in prison.

“There is no prisoner swap,” her court-appointed lawyer, Robert Richman, told the Post by e-mail on Thursday.