An only child finds her life turned upside down when her father reveals that, over the course of his prize-winning career as a pioneering fertility doctor, he used his own sperm to conceive upwards of a hundred children, including two new sisters.

Sisters Maila and Natalie have different approach to their mother, Onay who has Achondroplasia. Maila is a nice and attentive daughter, while Nataile is arrogant and disobedient. Besides their different upbringing, they have a different father as well.

Two women, one born in Canada and the other in Ireland, discover they are half-sisters and embark on a road trip to find their alcoholic father.

Aiko goes to the funeral of her ex, Jun, where she is approached by his older brother Seiichirou, a reclusive romance manga creator, who asks her to date guys, and then report back to him, so he can portray it in his manga.

Bobbie inherits her father's restaurant and is less than thrilled to discover that she has a new business partner in the half-sister she never knew she had.

Crisanto is a soldier lovingly married to his wife, Beth, but is forced to be sent away to fight in a war someplace else, leaving his wife and daughter, Liza, behind. In the midst of the battle, Crisanto meets Florida, the two fall in love and have an affair, which produces a child, Flor. One day, the opposing side ambushed Crisanto, and he protected Flor and Florida by helping them hide inside the house, as a consequence, Crisanto becomes gravely injured when he is sent home, and unknowing of their secret affair, Beth hires Florida to be Crisanto's nurse. Eventually, Beth allows Florida's daughter, Flor, to stay over at her house and Flor eventually befriends Liza, however their friendship will be threatened by their parents' intertwining love stories.