In episode 5 of , the central mystery of the leads' connected pasts begins to unravel . Lee Jung-hoon realizes the shocking connection between Yeo Ha-jin and his deceased first love, while Ha-jin faces escalating danger from a mysterious stalker . Key Plot Developments
: Jung-hoon discovers that Ha-jin was the best friend of his late girlfriend, Seo-yeon . Find Me in Your Memory Episode 5
: Struggles with his hyperthymesia as he vividly remembers Seo-yeon while looking at her best friend who has forgotten her entirely . In episode 5 of , the central mystery
: Shows a "leaky memory" where she forgets small daily details, prompting her to take photos to document her life . In episode 5 of