scenarize
/sɪˈnɑːrʌɪz/ /ˈsiːnərʌiz/verb
[with object] To convert (a story) into a scenario for a play or film; to write or plan the scenario of (a film, play, etc.).
Origin
Early 20th century; earliest use found in La Crosse (Wisconsin) Tribune. From scenar- + -ize, perhaps as an alteration of scenarioize.