In a time of war, how much would you risk to help a friend?

Young Johnny Dunne works hard at Balbriggan's Mill Hotel, but still finds time to enjoy life with his friends, Alice and Stella. Though the three come from different backgrounds – Johnny had a harsh childhood in an orphanage, Alice is the daughter of the hotel owner and Stella the daughter of the Commanding Officer at the nearby RAF Gormanston. – they're inseparable, living at the hotel and playing together in the town band.

But with the War of Independence raging, the friends face difficult decisions. Stella is pro-British, Johnny is pro-independence, and Alice is somewhere in between.

Then Johnny's secret role, spying for the IRA on the Crown forces, puts him in danger.  And Stella and Alice have hard choices to make – choices that threaten their lives …