The dilemma of the lady in the poem "Lord Ullin's Daughter" is whether to stay with her lover, the chieftain of Ulva, or to obey her father and flee with him across the stormy sea. The poem is a narrative ballad written by Thomas Campbell in 1802.

The Setting
The poem is set in Scotland, where the chieftain and Lord Ullin's daughter have fallen in love. However, their love is forbidden as the chieftain is considered an enemy by Lord Ullin.

The Dilemma
The lady finds herself torn between her love for the chieftain and her loyalty towards her father. Lord Ullin's daughter is aware that her father and his men are chasing them, and if they are caught, the chieftain's life is in grave danger. She is faced with the difficult decision of choosing between her lover and her family.

The Choice
In the end, the lady decides to prioritize her father's wishes over her own happiness. Realizing the danger they are in and the consequences they might face, she pleads with the chieftain to turn back and save his own life. She understands that her father's wrath is too strong and their escape is futile.

The Outcome
Despite the chieftain's reluctance, the lady persuades him to abandon their escape. She chooses to sacrifice her own happiness for the sake of her lover's life. The chieftain agrees and turns the boat around, heading back towards the shore.

The Resolution
Tragically, as they approach the shore, Lord Ullin's men are already waiting for them. In a desperate attempt to reach safety, the chieftain pushes the boat forward, but a storm strikes, causing the boat to capsize. The chieftain and Lord Ullin's daughter drown in the stormy sea, highlighting the consequences of their forbidden love and the tragic outcome of the lady's choice.

In summary, the lady in the poem "Lord Ullin's Daughter" faces the dilemma of choosing between her lover and her father's wishes. She ultimately decides to prioritize her father's commands, sacrificing her own happiness, but tragically, their attempt to flee results in their untimely death.