A modern take on the famous folk tale, Bawang Merah-Bawang Putih (Shallots & Garlic). Alya (Bawang Putih) and Siska (Bawang Merah) are neighbors who go to the same high school. Alya grew up in a rich family and lived happily with her parents, Yasmin and Indra. Meanwhile, Siska, who was considered the closest neighbor by Alya's family, lives with her mother, Rika. They presented themselves as good people until Yasmin fell ill, they killed her when she was hospitalized as part of their scheme to seize Indra's wealth. The plan was successful as Indra later asked Rika's hand into marriage and brought her and her daughter to move into Alya's house. In front of Indra, they pretended to be a very kind and loving mother and daughter, but when Indra was away, Siska and Rika always tortured Alya.

Ariel and Ivana are step sisters, nevertheless they care for each other. One day, they have to separate as Ariel lives in Semarang while Ivana studies in Jakarta. Months after her boyfriend Alan went to Singapore, Ariel decided to go for him and have a quick transit in Jakarta. She met Niko at the airport and a misunderstanding gave each other's bad first impressions. Little did she know that he is Ivana's boyfriend.

Sekar's perfect life with her husband Ivan and their son Dennis crumbles after she finds a strand of long blonde hair on her husband’s shirt. Sekar then secretly executes her strategy of divorcing Ivan. After the truth gets revealed, Ivan offers Sekar the choice of polygamy, or else he will take away their son Dennis. Sekar makes up her mind and learns to accept her fate of being a single mom. She is eager to make Ivan pay for his affair and does whatever it takes to win custody of Dennis.

When their father, Alpha, calls them home to Indonesia, Sierra, and Ivy, two sisters from different mothers, realize who can revive the declining Alpha company and will replace him as leader. Something that not only Sierra and Ivy wanted, but also their respective mothers, who were Alpha's first and second wives, two ambitious women who could never get along, who also raised their respective two ambitious girls. The battle is about to start!