Character Relationship Map: Dear Diary

Characters

• Badong (Dear Partyline) / Matthew Quiroy (Dear Killer) (played by Herbert Bautista) — protagonist

  As Badong, he is in love with Grace and goes looking for her after believing Wally arranged a meeting. He learns someone has been impersonating him, and Wally encourages him to be more confident. As M...

• Grace (segment "Dear Partyline") (played by Gelli De Belen) — supporting

  Grace is the woman Badong loves. She is frustrated by arguments with a man she calls a friend, while their conversations are repeatedly interrupted by other people using the party line. Badong seeks h...

• Wally (segment "Dear Partyline") (played by Jigo Garcia) — supporting

  Wally is Badong's friend, who returns from the United States and hears Badong explain the impersonation and the calls that helped bring him and Grace together. He urges Badong to be bold and asks him...

• Grace's Sister (segment "Dear Partyline") (played by Suzanne Gonzales) — supporting
• Macalintal's Mother (segment "Dear Killer") (played by Rosemarie Gil) — minor
• Dr. Policarpio, M.D. (segment "Dear Killer") (played by Leroy Salvador) — minor
• Mr. Simon Macalintal (segment "Dear Killer") (played by Michael De Mesa) — minor
• Lenny Tacorda (segment "Dear Killer") (played by Lea Salonga) — minor

  Lenny Tacorda is investigating clues connected to Pauline's disappearance. Her diary entries and a handkerchief lead her to consider the initials M.D.; she tells Matthew Quiroy that she believes they...

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Macalintal's Mother (segment "Dear Killer") → Mr. Simon Macalintal (segment "Dear Killer") (mother)
• Grace's Sister (segment "Dear Partyline") → Grace (segment "Dear Partyline") (sister)
• Badong (Dear Partyline) / Matthew Quiroy (Dear Killer) → Grace (segment "Dear Partyline") (Romantic Interest) — Badong's romantic feelings for Grace drive his search for her, while the mistaken identity around the party line unexpectedly improves their connection.

  Badong privately sings about being in love and later goes looking for Grace. The impersonator's calls ultimately help bring Badong and Grace together.

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Lenny Tacorda (segment "Dear Killer") → Dr. Policarpio, M.D. (segment "Dear Killer") (Conflict Suspected Link) — Lenny's interpretation places Dr. Policarpio at the center of the mystery, though the supplied scenes do not confirm the theory.

  Lenny explicitly tells Matthew that she believes the initials M.D. refer to Dr. Policarpio.

• Badong (Dear Partyline) / Matthew Quiroy (Dear Killer) → Dr. Policarpio, M.D. (segment "Dear Killer") (Conflict Investigation Suspect) — Matthew becomes connected to Dr. Policarpio through the investigation and questions whether the doctor's identity explains the evidence.

  Lenny suggests that M.D. means Dr. Policarpio, but Matthew doubts the theory because the doctor is new.

• Lenny Tacorda (segment "Dear Killer") → Badong (Dear Partyline) / Matthew Quiroy (Dear Killer) (Narrative Investigation Informant) — Lenny supplies Matthew with an interpretation of the diary evidence, helping develop the investigation into Pauline's disappearance.

  Lenny tells Matthew Quiroy that she believes the initials M.D. refer to Dr. Policarpio.

• Badong (Dear Partyline) / Matthew Quiroy (Dear Killer) → Wally (segment "Dear Partyline") (Alliance Encouraging Friend) — Wally acts as Badong's confidant and pushes him toward romantic confidence, although his connection to the mistaken meeting creates confusion.

  Badong believes Wally arranged a meeting with Grace, and later explains the impersonation confusion to Wally. Wally encourages Badong to be more darin...

Story Analysis

The film moves from romantic confusion on a party line to an unresolved school disappearance linked to suspicious clues and a professor.

Plot Progression

1. A Voice on the Party Line — Badong sings about love while struggling with domestic expectations. Grace faces arguments and interruptions before Badong's search for her exposes a mistaken identity.
2. Friends and False Voices — Wally returns and hears Badong's explanation of the impersonation. His encouragement gives Badong a chance to act more boldly, despite continuing uncertainty.
3. The School Mystery — A notebook message creates embarrassment around Bogs and Niña. The disappearance of Pauline shifts the story from romantic confusion toward an unexplained investigation.
4. Clues Behind the Initials — Diary entries and a handkerchief raise questions about a teacher. Lenny connects M.D. to Dr. Policarpio, while Matthew remains uncertain about the theory.
5. The Unresolved Birthday — Romantic chocolates and a note deepen the mystery surrounding Pauline. The professor arrives at her home for his birthday, and the supplied scenes end during a song without resolving her disappearance...