The series focuses on the life of three women and their daily struggle at everyday trying to balance with their personal troubles and their families. The series also highlights on the woman's important role at the whole life.
Lisa's character is carefully constructed not to lose the viewer's sympathy; she's harassed but not ditzy, her mothering as sincere as it is occasionally haphazard.
See also Broadchurch and The Bay, but really its closest stablemate is The Loch, a formulaic lakeside confection from a couple of years back (Alastair Mackenzie, who plays one of the prats in this, can claim the distinction of being in both casts).