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One letter. €48,300.

GEGENPROBE is a fictional software that checks who owns each recipient account before every payment run. The film shows in 35 seconds why that matters. Here you can see how it was made.

Runtime
00:35
Package
Software film
Narration
German
Format
16:9
Payment software · Software film · 00:35

GEGENPROBE

A supplier's new bank details arrive by email. Before the payment run, GEGENPROBE asks every bank who owns the account – and stops the one payment that doesn't match. With German narration.

01

Concept film, not a client commission. Companies, IBANs and amounts are invented.

The brief

Thursday, 16:02. An email with a new IBAN.

A supplier announces new bank details and accounts payable enters them. On Friday 64 payments go out, one of them €48,300 to an account that doesn't belong to the supplier. The sender's address was faked: “rn” instead of “m”.

The question for the film: how do you make an invisible risk visible in seconds? The answer: viewers look for the mistake themselves – and only find it when the software shows it.

Sender of the emailbuchhaltung@rnoorbeck-stahlbau.de
Supplier in the master databuchhaltung@moorbeck-stahlbau.de
Barely distinguishable when reading. That's why GEGENPROBE doesn't check the email – it asks the bank who owns the account.
Step 02 · Scene plan

The film, second by second.

This is what the scene plan you receive for free before we start looks like: what is shown when, and what is said. Animation only starts once it fits.

Scene plan · GEGENPROBE12 scenes · 00:35Approved
TimePictureNarration (translated from German)
00:00A dark background. Two addresses shoot in from left and right, a scan sweeps across, the camera dives at “@moorbeck” and “@rnoorbeck”.“One is real. One is fraud.”
00:01Thursday, 16:02. The email in the inbox; the new IBAN is selected and copied with Ctrl + C.“Thursday. New bank details from the supplier.”
00:04The IBAN flies as an object into the supplier's master data. Saved at 16:04.“Entered. Routine.”
00:07Two blue bars wipe across the frame and the beat kicks in: Friday. A wall of 64 payments.“Friday. Sixty-four payments.”
00:09A click on “Release payment run”. In every row, invoice and bank slide into a blue “=” – faster and faster, on the beat.“Before every payment, Gegenprobe asks the bank: who owns the account?”
00:14Payment 41 stops. The two layers bounce apart, the light turns red, the music cuts out.“Not the supplier.”
00:15The detail view shows the findings: no match at the bank, IBAN changed yesterday, source an email.“The IBAN came by email. From a fake address.”
00:18The two addresses slide on top of each other. Everything lines up except “rn” and “m”.“One letter.”
00:21A call-back using the number from the master data. It rings, the supplier picks up.“A call-back to the real supplier.” – Supplier: “No, we haven't.”
00:24“Stop payment”. 63 payments have gone out, one is stopped.“€48,300 stay with you.”
00:27The bars “Invoice” and “Bank” condense into the Gegenprobe mark.“Gegenprobe. Checks who owns the account. Before every payment.”
00:32Signed FORMFOLGE.–
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Step 03 · Key frames

Every frame has a job.

Before anything moves, 3–6 key frames set colour, composition and look. GEGENPROBE had six.

  1. The hook: Two addresses, one is fraud. Viewers start searching from the first second.
    01

    The hook

    Two addresses, one is fraud. Viewers start searching from the first second.

  2. The IBAN: One click, Ctrl + C: the mistake starts as routine.
    02

    The IBAN

    One click, Ctrl + C: the mistake starts as routine.

  3. The check: Invoice and bank become a “=” – row by row, on the beat.
    03

    The check

    Invoice and bank become a “=” – row by row, on the beat.

  4. No match: Payment 41 doesn't fit. The light turns red, the music cuts out.
    04

    No match

    Payment 41 doesn't fit. The light turns red, the music cuts out.

  5. One letter: The answer to the hook: only “rn” and “m” differ.
    05

    One letter

    The answer to the hook: only “rn” and “m” differ.

  6. Stopped: 63 payments out, one stopped. €48,300 stay in the company.
    06

    Stopped

    63 payments out, one stopped. €48,300 stay in the company.

Why it works

Three decisions behind the film.

  1. 01

    Let viewers play along

    The film opens with a question, not a promise. Whoever looks for the difference keeps watching – and experiences the mistake before the software reveals it.

  2. 02

    Real software as the lead

    Inbox, master data, payment run, findings: every scene shows a real interface, filmed like an object in space. That makes the product tangible.

  3. 03

    Sound as dramaturgy

    Every checked payment is a beat. At the stop everything cuts out – the silence says more than any alarm.

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