When the Boat Comes In S03E15 - Please Say Goodbye Before You Go

Jack flirts with Isobel at a charity ball and meets Lady Caroline's fiancé, Mostyn. Jack and High Life catch Dixon breaking into the duke's house to destroy a picture of one of the duke's ancestors who resembles his son, Christopher. Dixon wants revenge because Christopher had seduced his daughter. Manners agrees to look after Dixon. Jack lends Tom money for his own market garden, then tells Matt he is leaving for America. Matt asks why he is going to a land where you can't get whisky. "To sell them some", Jack replies.