Meanwhile Rhona had no idea her partner had been killed and was desperately trying to get hold of him.
But viewers were more distracted by Rhona's six pints of milk, quick to point out she would not have it if she intended to move to France that day.
Later, Rhona was devastated when detectives came by and told her that Graham had been found dead.
Viewers know Rhona and Graham had secretly been planning to move away to France for Rhona's new job.
However Graham had a lot of enemies, many of whom wanted him dead.
In Friday's episode (January 24 2020), it was revealed Graham was killed by Rhona's rapist ex-husband Pierce.
Rhona has a lot of milk for someone on the verge of moving away.
In a flashback, viewers saw Graham learn about Pierce's release from prison.
He managed to get his address and warned Pierce to keep away from Rhona.
The meeting resulted in an altercation between the pair, leading Graham to gain another enemy.
Pierce followed Graham around the village before eventually killing him in the woods.
However Rhona has no idea Pierce is back and it looks like Marlon is a prime suspect.
As Marlon and Pierce had an argument the day of his death and planned to meet him in the woods before his death, the police are suspicious of him.
Will Marlon be able to prove he didn't kill Graham?
Emmerdale airs weeknights at 7pm on ITV, with an extra episode at 8pm on Thursdays.
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