Mackenzie's treatment by Moira and other locals forces him to back out of being Aaron's best man - so John promises to fix things. A suspicious Belle tells Sam that Nate never arrived at his new job in the Shetlands and vows to solve his disappearance. With Cain and Charity busy, Sarah is forced to attend a hospital appointment alone. Ross acquires a few cannabis plants from Lewis as the brothers continue to bond. (thetvdb.com)