The town is virtually deserted as everyone heads to the annual horse race where Doctor Ryan is in danger of losing to Danny's Razor. Meanwhile, back in town, Ambrose tackles a Cilldargan drug dealer he once arrested.
While Siobhan and Brendan prepare for their simple and secret wedding, Emma goes around the village digging up her family's past. Then Eamon has an accident and Niamh and Ambrose feel that their marriage has lost its meaning.
The tension between Niamh and Ambrose continues and Niamh leaves Ambrose for the day. Donal and Liam look for extra cash in golf balls that have been lost in the river and Kathleen gets an unexpected visit from an old sweetheart.