Edna finds out that the reason Eve’s marriage is in trouble is because Eve was a bit too hospitable towards her husband's best friend. Edna's not impressed by infidelity and tells Eve she’d better behave while she's living under her roof. As head of the Dingle clan, it falls on Zak’s shoulders to take care of the family, especially Sam, who's not very capable of taking care of himself, so Zak warns off Olena. (thetvdb.com)