The court heard that all of them had been drinking at a house party the night before.
After the attack they returned to the house party.
It was then alleged that they took off their blood stained clothes, and another friend Artur Woszcxyna, then drove to St Bees and threw a bag with the clothes and shoes over a cliff.
Another man, Artur Skoczen is also accused of helping cover up the murder.
All the defendants deny the charges.
The trial is expected to take up to six weeks.
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Kerrie brings you Saturday's Pollen for the Border region
Kerrie brings you Saturday's forecast for the Border region
Rather windy at times but many places dry and bright with scattered showers.