Production will begin in South Australia and Western Australia in October.
The Ropes will premiere on SBS and SBS On Demand later in 2018.
"We want our own literary sleuth on the front line"
Seven Upfront 2020: TV guide to each major program coming next year
Seven to Spice up the kitchen My Kitchen Rules: Rivals
Matt Preston & Gary Mehigan join Seven for new show with Manu Feildel
Seven Upfront 2020: Content investment with more shows, stars & ratings
Big Brother returning on Seven in 2020
Seven renovates House Rules with High Stakes edition