Blue Complex - Episode 4

A man struggles to write a suicide note, fixating on the correct word to explain his decision to die on his mother's death anniversary. Meanwhile, two people near a swimming pool engage in a tense conversation: one questions the other's constant swimming, suggesting it’s exhausting and unnatural, while the other admits to having given up on being human and stopped diving. Their exchange reveals underlying emotional distance and fear, as one confesses a fear of water but is curious about the other's obsession. The episode ends with an invitation to face that fear, leaving their emotional barrier unresolved.