Carrying a doctor's bag containing a rope, Jimmy, the prodigal son, returns home to the austere beauty of Cavan to visit his ailing father and seek redemption before he intends to say goodbye to the world. As Jimmy’s father breathes his last, thunder rumbles and rain starts to pour. However, there is a condition in the will: his father cannot be buried on a wet day.
As the rain continues, Jimmy embarks on a sacrificial and outlandish journey to rid himself of his guilt and shame from the past, ultimately redeeming himself through love.