The song Lucky Day by Mick Jagger talks about a person who is caught in a fantasy and has trouble dealing with the situation. The lyrics suggest that love has clouded the person's judgment. However, the singer offers to guide the person and help them escape their troubles. The chorus emphasizes that it's the person's lucky day as they have a chance to leave their hometown and start afresh. But the singer warns them to be careful of the obstacles in their path, like the dogs that bark and the pool filled with sparks. Despite the challenges, the singer is there to support the person and throws them a lifeline. The lyrics indicate that the person needs to make a decision to leave the town behind and start anew. The singer reiterates that it's the only way to leave the town alive. Overall, Lucky Day is a song about hope and finding a way out of difficult situations, with support from others.