A scene-by-scene storyline must be well thought out and the timeline of events must be determined. It also has to contain descriptions of things and people.
An example: first we describe all the participating protagonists. Not just their appearance but also their character.
FRANZ HARTMAN Maria’s father, 48 years old, imposing, demanding, fearless and
obsessed with antiques.
MARIA HARTMAN 26 years old, currently unemployed, wavy, long red-brownish curls, warm brown eyes, slightly freckly skin. Very spoilt.
EDWIN WEBSTER 32 years old, fitter of air conditioning units, slim, light brown hair, high
forehead, likes to make fun of others, always the cleverest one around, doesn’t like losing. Brags all the time. A homophobe.
And so on.
And then the storyline.
1. Two men arguing on a cliff. One of them falls into the abyss.
2. Maria, aged 22, from Newcastle, (rather spoilt and insolent) inherits from the father she had hardly ever seen a castle cum hotel in Eisendorf, Austria. Her father died in an accident, fell down a steep cliff. Maria is told this news by the hotel manager.
3. Monday – Everyone is shocked. The castle has been renovated and has approximately 40 rooms, plus another 20 that have not been furnished. The manager receives the guests in a friendly manner and explains to them that they can go hiking, that there’s a lake and a waterfall nearby or they can go and explore the nearby subterranean cave.
4. The young people have a really good time, they swim in the lake and hike around the mountains nearby. They come across a forester who jokingly asks them if they have come to search for Count Wagner’s treasure. When they ask him about the count, he just smiles and tells them to enquire in the village.
In point three, it says Monday. You can also note the date, for example April 1. You note the names of days only if the whole story happens within one or two weeks, otherwise it’s better to write just the dates.