Si Ariela Marie Ocampo ay isang estudyante na lumipat sa maliit na bayan dahil sa kawalan ng sapat na pera pantustos sa kaniyang pag-aaral. Tumuloy siya sa isang malaking paupahan na tinatawag na "Casa de Maria". Marami na ang kuwento-kuwento patungkol sa paupahan na ito, at ang ilang mga kuwento na yon ay isinalaysay sa kaniya ng tagapangalaga ng bahay. Ano nga ba ang tunay na lihim ng "Casa de Maria"?

Akala nya ay magiging masaya sya dahil mapapasakanya na ang pangarap nyang lalaki. Gagawa ng maraming anak at mamahalin ang isa't isa. Pero akala lang pala nya yon. The guy she loves doesn't love her back. Kinamumuhian sya nito. But that doesn't stop her from loving him. Because she know that all he need is love. But something happened which made her realized that she's loving him too much. That she can't take it anymore. She can't love him anymore.

The Homeroom President continues to be pursued by mysteries and crimes. She had no idea what to do because she isn't into that sort of thing. But when she met this transferee who kept sticking his nose to her business and solving those riddles and crimes, everything changed.