Dreams involving water often symbolize emotions and the subconscious. A lake with red water can represent intense feelings, possibly anger, fear, or even guilt. The presence of corpses may suggest unresolved issues, loss, or feelings of being overwhelmed by past experiences.

Reaching into the lake with your foot while searching for a specific person may indicate a desire to confront these emotions or to seek closure regarding a relationship or situation. It could reflect a longing for connection or an unresolved matter with that individual.

Consider reflecting on your current emotional state and any relationships that might be causing you distress. This dream might be prompting you to address these feelings or seek resolution. If you find yourself consistently dreaming of this theme, it may be helpful to explore these emotions further, possibly through journaling or speaking with someone you trust.