In the HD episode of Fuller House titled "DJ's Heart Gets Trumped," the main character DJ faces a challenging situation that tests her emotions. The episode likely involves a storyline that involves DJ dealing with conflicting feelings or heartbreak. The title suggests that DJ's heart is "trumped," which could mean that her romantic interests or personal desires are overshadowed by something else. The use of the word "trumped" could also hint at a surprising turn of events or a sudden change in DJ's love life. Overall, the episode seems to focus on DJ's emotional journey and the obstacles she faces in matters of the heart. Fans of the show can expect to see how DJ navigates through these challenges and whether she will find resolution in the end.