It has dealt with many different storylines, including domestic violence, infidelity, theft, arson, abortion, homosexuality, adoption, murder, rape, drugs, teen pregnancy and paedophilia.

Ros na Rún was originally devised by RTÉ producers Con Bushe and Antoine Ó Flatharta in response to the upcoming centenary of the Gaelic League, with the network deciding upon an Irish language drama as a contribution towards the commemoration of the event.

Surrounding the circumstances of Old Jack's death is seedy local publican Tadhg Ó Direáin, who Rita recalls being raped by on the night of her hen party seventeen years ago.

Other early storylines include the O'Connor family struggling to settle into their new lives in Ros na Rún, along with the closure of the Mil Rí Chocolate Factory's effect on the local job economy.

The machinations of drug lord Jim O’Dowd destroys the lives of his wife Ríona De Búrca, her brother Donnacha, and his blackmailed associate Daniel McLoughlin.

[6] Following the show's 20th season, Andy returns to the series attempting to extort money by kidnapping Tadhg and Frances's daughter Áine for ransom and nearly strangles his estranged wife Bobbi-Lee to death, but is later acquitted by jury over lack of evidence.

Dee takes desperate measures to hide the truth from Mack including becoming pregnant herself and undermining Katy's sanity, with the storyline intended to highlight the effects of gaslighting upon its victims.

Burdened with guilt for her responsibility in Frances's accidental death, Mo confesses her complicity to Tadhg and quietly departs Ros na Rún, causing strife with her estranged husband Colm Gallagher upon her return three years later.

Pharmacist Cyril Harkin is disgraced after being revealed as a sexual predator and enters Tigh Thaidhg with a gun; the following skirmish results in the death of Niall Breathnach and trauma amongst the other participants.