Rubi, aired in 2004, is an intriguing Mexican telenovela produced by Jose Alberto Castro for Televisa. This primetime series revitalized the telenovela genre with its creative narrative, making it a significant Spanish language television phenomenon. The telenovela is a remake of a 1968 series by the same name, based on a short story by Yolanda Vargas Dulché.

Centered on the story of a beautiful, enthralling but manipulative woman named Rubi Perez Ochoa, the series keeps viewers captivated with its blend of passionate love affairs, treachery, ambition, and redemption. Rubi, portrayed by the stunningly beautiful and multitalented actress Barbara Mori, is a character brimming with complexities. She’s poor but ambitious and dreams of an affluent life, far from the travails of poverty. These dreams, together with her breathtaking beauty, sets the tone for the dramatic roller-coaster ride that awaits her.

Further characters intensify the plotline; Maribel de la Fuente, portrayed by Jacqueline Bracamontes, is Rubi's best friend and comes from a wealthy family. She's confined to a wheelchair due to an accident, but unlike Rubi, she is kind-hearted and naïve. Completing this intricate triangle is Alejandro Cardenas, played by Eduardo Santamarina, a handsome and wealthy young man who becomes an essential focal point in the relationship between Rubi and Maribel.

In the dueling narratives of Rubi's greed-fueled pursuits and Maribel's innocent charm, Alejandro finds himself torn, setting the stage for an extensive tug of war. Also, a part of this entangled web is Hector Ferrer, a wealthy older man, artistically crafted by Sergio Sendel, who is fascinated by Rubi's beauty.

The juxtaposition of Rubi's survivalist and sly nature with her friend Maribel's innocence, coupled with the romantic tension and social dynamics, add a distinct flavor to the narrative making it incredibly enticing and emotionally gripping. The storyline also dives deep into diverse human emotions, including love, hate, jealousy, and the destructive power of ambition, while subtly exploring intricate social hierarchies and the struggle between status and morality.

Throughout the series, viewers bear witness to Rubi's transformation from an ambitious young woman to one blinded by her desires. While the narrative does focus significantly on the protagonist’s ruthless pursuit of wealth and status, it also stands as a potent reminder of the devastating consequences that can come with unchecked ambition and disregard for others. Rubi's journey is thus portrayed in a realistically harsh light rather than in the typical fairytale manner.

The series is brought to life with high-quality production, set in picturesque locations and luxurious sets, giving the story a visually appealing backdrop. Also contributing to the show’s popularity is the captivating performances of the lead actors, who manage to exquisitely portray the complexities of their respective characters.

Rubi’s character, in particular, has garnered much acclaim for its unique portrayal, with Barbara Mori lauded for her stellar performance. Her transition from a naïve young woman to an ambitious, greedy individual who leaves a trail of betrayal in her wake was remarkably well executed, making viewers feel a mix of sympathy, anger, and pity towards her character.

Furthermore, the show's theme song, also titled "Rubi," performed by the well-known Spanish singer Marta Sanchez, echoes the emotional backdrop of the show, adding another layer of depth to this mesmerizing telenovela. The combination of dramatic storyline, passionate love triangles, and intense performances leave an indelible mark on viewers, easily explaining the huge popularity of Rubi.

Overall, Rubi, with its compelling character portrayals, high-intensity drama, and carefully crafted narrative, provides an emotional roller coaster ride and holds up a mirror to the darker side of human desires. Not just another love story, this series delves into the ramifications of unchecked ambition and manipulation, making it a must-watch for those who love intense, dramatic narratives. By the end of the series, viewers are likely to find themselves emotionally invested – a testament to the excellent storytelling and impeccable performances offered by Rubi.