In "I Got Stuck in the Sea with My Best Friend's Boyfriend, Let's Get Real," the narrator shares a harrowing and awkward experience of being stranded at sea with their best friend's boyfriend. The situation arises unexpectedly, perhaps during a boat trip or an outing, leading to feelings of anxiety and tension. 

As they navigate the challenges of survival, the narrator reflects on their relationship with their best friend and the complexities of loyalty and trust. The story delves into themes of friendship, unexpected situations, and the emotional turmoil that comes from being in a precarious position with someone who has ties to a close friend. Ultimately, the experience tests their values and forces them to confront their feelings about loyalty, attraction, and the nuances of relationships.