Mariel, the illegitimate daughter of Shirley, has been the center of contention since her birth when Shirley's husband Ben sells Mariel to child trafficker Adul. Because of an immigration impediment, Adul consigns Mariel to the care of her cousin Jaime and nursemaid Dolor, the midwife at Mariel's birth. However, Jaime's wife, Laila, doesn't want to keep the baby because the sight of an infant reminds her of her stillborn child, and Dolor's boyfriend, Ramir, is jealous of the love and attention Dolor gives the baby. When Laila has accepted Mariel, Adul returns to claim her adopted now-grown daughter, but Dolor inadvertently learns of Adul's wicked plan to sell Mariel for a large amount.
Is When Will You Be Mine on Netflix? Unfortunately the movie When Will You Be Mine is not yet available on Netflix.
| Directing | Chito S. Roño | Director |
| Writing | Mia Concio | Screenplay |
| Sound | Nonong Buencamino | Music |
| Editing | Ike Jarlego Jr. | Editor |
| Crew | Jun Pereira | Cinematography |
| Production | Charo Santos | Executive Producer |
| Production | Malou N. Santos | Supervising Producer |
| Production | Crismina C. Imperial | Line Producer |
| Directing | Mac Alejandre | Assistant Director |
| Production | Charlie Arceo | Production Designer |
| Crew | Baldo Marro | Fight Choreographer |
| Editing | Antonio Acurin | Assistant Editor |
| Production | Cecil Paz | Post Production Coordinator |
| Editing | Rico Salas | Assistant Editor |
| Writing | Mia Concio | Story |
| Sound | Albert Rima | Sound Supervisor |
| Sound | Tony Gosalvez | Sound Effects |
| Production | Marietta Sta. Juana | Production Manager |
| Production | Ronald Constantino | Publicist |
| Crew | Elpidio Soliven | Schedule Coordinator |
| Crew | Rudy Blanco | Schedule Coordinator |
| Sound | Danny Navarette | Sound Technical Supervisor |
| Production | Jackie Y. Liu | Production Trainee |
| Production | Paul Daza | Production Trainee |
| Crew | Olivia M. Lamasan | Thanks |
| Sound | Mae-ann Adonis | ADR Supervisor |
| Sound | Josie Galvez | ADR Supervisor |
| Sound | Amy Aguirre | ADR Supervisor |
