Sumalatha plays the role of Isabella, a tour guide, who eventually fell in love with Unnikrishnan (Balachandra Menon), one of her customers. She was having many family problems as her father(Alby) was dead, her mother(Maggy) became a drunkard and her brother(Tony) was a lunatic. Nedumudi Venu was her mentor and well wisher, who introduced her to Unnikrishnan. After that season, Unni returned to his residence and Isabella, whom he called affectionately Bella, awaited for his return towards her. He returned on several seasons, but on each time he refused to accept her as his life-partner. Terribly distracted by his family's behaviour, Unnikrishnan once decided to spend his remaining life with Bella. But on reaching there, he came to know that Bella had committed suicide following her mother's death, her brother's missing and the lost her hope for his return.
